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1.
BMC Public Health ; 23(1): 688, 2023 04 12.
Artigo em Inglês | MEDLINE | ID: mdl-37046300

RESUMO

BACKGROUND: In recent years, there has been great interest in the dietary practices of vegetarians in addition to an increasing awareness of the potential benefits of vegetarian diets. However, there are insufficient data on the spread of vegetarianism in Arab countries. The aim of this study was to investigate knowledge and attitudes about vegetarianism and associated factors in the Saudi population and to understand the reasons for its growing prevalence. METHOD: This is a cross-sectional study began in May 2020 and ended in September 2020. Researchers distributed the questionnaire electronically through social media. Data were collected electronically and exported to Excel by the researchers .The electronic questionnaire comprised three sections: sociodemographic questions, reasons for following a vegetarian diet, and beliefs and knowledge about vegetarianism. RESULTS: There were 3,035 responses, of which 80.2% of respondents were female and 19.8% were male. Participant were aged 18-65. Vegetarians represented 37.5% (15.7% semivegetarians, 8.1% pescovegetarians, 64.3% lacto-ovo-vegetarians, and 11.3% vegans), and the rest were nonvegetarians. The majority of the vegetarian participants (92.9%) had a low vegetarianism knowledge level. Health issues, followed by ethical and environmental concerns, were the most common motivators for adopting a vegetarian diet; these reasons were cited by 72.5%, 59.3%, and 47.9% of participants, respectively. Factors associated with increased vegetarianism were engaging in exercise for half an hour to two hours, while factors associated with decreased vegetarianism were male, aged 51-64 years, being married, having a higher education, working in the health sector, being a housewife, and having an income between 5,000 and 10,000 SR/month. CONCLUSION: Vegetarianism appears to be a growing phenomenon among the Saudi population. Increased awareness of health issues and the desire to live a healthy lifestyle might be the strongest motives. This study offers an opportunity to better understand vegetarianism in Saudi Arabia along with the possibility of expanding vegetarian food choices for the general public.


Assuntos
Dieta Vegetariana , Conhecimentos, Atitudes e Prática em Saúde , Humanos , Masculino , Feminino , Estudos Transversais , Arábia Saudita , Inquéritos e Questionários , Dieta
2.
BMC Public Health ; 19(1): 1554, 2019 Nov 21.
Artigo em Inglês | MEDLINE | ID: mdl-31752790

RESUMO

BACKGROUND: There are various factors that play a major role in influencing the overall health conditions of women diagnosed with breast cancer. The population of women in Makkah region are diverse, therefore it is significant to highlight the possible determinants of breast cancer in this population. This is a case-control study that assessed determinants of breast cancer including socioeconomic factors, health-related characteristics, menstrual histories and breastfeeding among postmenopausal women in Makkah region in Saudi Arabia. METHODS: A total of 432 female participants (214 cases and 218 controls) were recruited for this study. A validated questionnaire was completed by trained dietitians at King Abdullah Medical City Hospital in the Makkah region of Saudi Arabia. RESULTS: Results displayed that determinants of breast cancer were associated significantly (P < 0.05) with unemployment, large family size, lack of knowledge and awareness about breast cancer, obesity, sedentary lifestyle, smoking, starting menarche at an early age, as well as hormonal and non-hormonal contraceptive use. There was no effect of diabetes, hypertension, hyperlipidemia, and duration of breastfeeding on the incidence of breast cancer. CONCLUSION: In summary, the results of this study accentuate the possible effect of socioeconomic factors, health-related characteristics and menstrual history on the incidence of breast cancer in postmenopausal women in the Makkah region. Education programs should be applied to increase breast cancer awareness and possibly decrease its incidence.


Assuntos
Neoplasias da Mama/epidemiologia , Estudos de Casos e Controles , Feminino , Humanos , Menarca , Pessoa de Meia-Idade , Fatores de Risco , Arábia Saudita/epidemiologia , Fatores Socioeconômicos
3.
BMC Public Health ; 17(1): 607, 2017 06 29.
Artigo em Inglês | MEDLINE | ID: mdl-28662634

RESUMO

BACKGROUND: Colorectal cancer (CRC) is the first most common cancer in males and the third most common cancer in females in Saudi Arabia. Dietary habits are strongly associated with the inhibition or proliferation of malignancy. Therefore, this study is aiming to investigate the risks and protective benefits of dietary factors affecting CRC in the Mecca region of Saudi Arabia. METHODS: A case-control study was conducted from June 2014 to March 2015. One hundred thirty-seven patients with colon and/or rectal cancer were recruited in the case group, while 164 healthy participants were recruited in the control group. A questionnaire was completed with the help of trained dietitians to study the effects of several dietary patterns on the risk of CRC. RESULTS: Dairy product intake of 1-5 servings/day, legume intake of 3-5 servings/week, leafy vegetables intake of 1-5 servings/week, olive oil intake of 1-5 servings/week, black tea intake of three or more cups/day, and coffee intake of one or more cups/day was found to decrease the risk of CRC in participants. CONCLUSION: This study highlights the importance of changing dietary habits to decrease CRC incidence in the Mecca region.


Assuntos
Neoplasias Colorretais/epidemiologia , Dieta , Adulto , Idoso , Estudos de Casos e Controles , Neoplasias do Colo , Comportamento Alimentar , Feminino , Humanos , Incidência , Masculino , Pessoa de Meia-Idade , Fatores de Risco , Arábia Saudita/epidemiologia , Chá
4.
Int J Vitam Nutr Res ; 85(1-2): 50-60, 2015.
Artigo em Inglês | MEDLINE | ID: mdl-26780277

RESUMO

BACKGROUND: Vitamin D deficiency is common in Saudi Arabia. No sufficient data are available on the vitamin D status of preschool children. AIMS: To investigate the vitamin D status among toddlers and preschool children and to evaluate the factors associated with hypovitaminosis D in Western Saudi Arabia. METHODS: A cross-sectional study was conducted on 503 preschool children in Makkah. The children were divided into two age categories: 1 - 3 years (toddlers) and 3 - 6 years (preschool). Sociodemographic factors, life-style factors, eating habits, body mass index (BMI), 25-(OH)-vitamin D3, parathyroid hormone, calcium, phosphorous, and alkaline phosphatase concentrations were determined. RESULTS: Sixty-three % of children had a vitamin D deficiency. Vitamin D in toddlers was significantly higher than in preschool children. Vitamin D levels were negatively correlated with BMI (r = - 0.419, P < 0.001), and duration of breast feeding (r = - 0.270, P = 0.027), but a significant positive correlation with vitamin D intake (r = 0.335, P = 0.021), calcium intake (r = 0.25, P = 0.029), duration of formula feeding (r = 0.354, P = 0.019), and outdoor physical activity (r = 0.381, P = 0.011) was found. Multivariable predictors of hypovitaminosis D were preschool age (OR = 11, [95 % CI: 2.78 - 43.57], P < 0.001), outdoor physical inactivity (OR = 2.44, [95 % CI: 0.93 - 14.12], P < 0.001), obesity (OR = 2.3, [95 % CI: 1.25 - 7.08], P = 0.008), overweight (OR = 2.16, [95 % CI: 1.18 - 6.01], P = 0.039), inadequate vitamin D intake (OR = 1.65, [95 % CI: 1.12 - 2.53], P = 0.012), exclusive formula feeding (OR = 0.53, [95 % CI: 0.41 - 0.72], P < 0.001), and breast and formula feeding (OR = 0.62 [95 % CI: 0.39 - 0.88], P = 0.002). CONCLUSION: Hypovitaminosis D is a public health concern, especially in preschool children. Possible determinants of low vitamin D status in preschool children in the Makkah region could be related to age, high BMI, inadequate vitamin D intake, exclusive breastfeeding, and outdoor physical inactivity.


Assuntos
Deficiência de Vitamina D/epidemiologia , Índice de Massa Corporal , Aleitamento Materno , Cálcio da Dieta/administração & dosagem , Criança , Pré-Escolar , Estudos Transversais , Dieta , Exercício Físico , Comportamento Alimentar , Feminino , Humanos , Lactente , Fórmulas Infantis , Estilo de Vida , Masculino , Obesidade/epidemiologia , Pais , Fatores de Risco , Arábia Saudita/epidemiologia , Inquéritos e Questionários , Vitamina D/administração & dosagem
5.
Pak J Med Sci ; 31(6): 1377-82, 2015.
Artigo em Inglês | MEDLINE | ID: mdl-26870100

RESUMO

OBJECTIVE: To evaluate the prevalence and the individual components of metabolic syndrome (MetS) in Jordanian adults. METHODS: In this cross sectional study, 630 adult subjects (308 men and 322 women) aged between 20-70 years were recruited from the clinics at the King Hussein Medical Center. The diagnosis of MetS was made according to the International Diabetes Federation (IDF) criteria-2005. Blood samples were collected after 10-12 hours overnight fasting and serum was obtained for biochemical analysis. RESULTS: The prevalence of metabolic syndrome according to IDF criteria was 51% (46.4% in men and 55.3% in women). Prevalence of increased waist circumference in the total sample was 71.6%, 46% for high blood pressure, 42.4% for elevated fasting blood glucose, 43.5% for low high density lipoprotein, and 50.2% for hypertriglyceridemia. CONCLUSION: The prevalence and individual components of MetS in Jordan were high. Screening of MetS is needed at national level to reduce the incidence of Type 2 diabetes mellitus (T2DM) and cardiovascular disease (CVD).

6.
Medicine (Baltimore) ; 103(38): e39657, 2024 Sep 20.
Artigo em Inglês | MEDLINE | ID: mdl-39312371

RESUMO

Melatonin (MLT) is crucial in controlling human sleep-wake patterns. While it has long been recognized for regulating circadian rhythms, its demonstrated efficacy in managing various diseases has recently gained considerable attention. This review discusses MLT's potential preventative and therapeutic effects on various diseases. Several studies have focused on examining the molecular mechanisms through which MLT brings about its protective or therapeutic effects on various diseases, including cancer, obesity, coronavirus, and cardiovascular diseases. Numerous preventative and therapeutic applications of MLT have been proposed, resulting from its ability to function as an antioxidant, anti-cancer, anti-inflammatory, and immune-regulating agent. There is a need for further research to determine MLT's long-term effects on antioxidant defense systems, its preventative and therapeutic benefits, and its molecular basis.


Assuntos
Antioxidantes , Melatonina , Neoplasias , Melatonina/uso terapêutico , Melatonina/administração & dosagem , Humanos , Neoplasias/tratamento farmacológico , Neoplasias/prevenção & controle , Antioxidantes/administração & dosagem , Antioxidantes/uso terapêutico , Suplementos Nutricionais , Doenças Cardiovasculares/prevenção & controle , Obesidade/prevenção & controle , Anti-Inflamatórios/administração & dosagem , Anti-Inflamatórios/uso terapêutico , COVID-19/prevenção & controle , Ritmo Circadiano
7.
Heliyon ; 10(2): e24266, 2024 Jan 30.
Artigo em Inglês | MEDLINE | ID: mdl-38293391

RESUMO

Background: Melatonin is an indoleamine hormone secreted by the pineal gland at night and has an essential role in regulating human circadian rhythms (the internal 24-h clock) and sleep-wake patterns. However, it has recently gained considerable attention for its demonstrated ability in disease management. This review discusses the major biological activities of melatonin, its metabolites as nutritional supplements, and its bioavailability in food sources. Methods: The information acquisition process involved conducting a comprehensive search across academic databases including PubMed, Scopus, Wiley, Embase, and Springer using relevant keywords. Only the most recent, peer-reviewed articles published in the English language were considered for inclusion. Results: The molecular mechanisms by which melatonin induces its therapeutic effects have been the subject of various studies. Conclusion: While melatonin was initially understood to only regulate circadian rhythms, recent studies indicate that it has a far-reaching effect on various organs and physiological systems, such as immunity, cardiovascular function, antioxidant defense, and lipid hemostasis. As a potent antioxidant, anti-cancer, anti-inflammatory, and immunoregulatory agent, multiple therapeutic applications have been proposed for melatonin.

8.
Cancers (Basel) ; 16(2)2024 Jan 18.
Artigo em Inglês | MEDLINE | ID: mdl-38254902

RESUMO

Weight loss is a significant health problem among patients with head and neck cancer (HNC) that is attributable primarily to the tumor or tumor therapy. Critical weight loss (CWL) is defined as the unintentional loss of ≥5% of weight. Therefore, this study's goal was to investigate and determine the possible factors influencing CWL among patients with HNC who have received radiotherapy or concurrent chemoradiotherapy (CCRT). We conducted a retrospective analysis of 175 patients who received radiotherapy or CCRT as either their primary, adjuvant, or combined treatment at the Oncology Center in King Abdullah Medical City. All patients were ≥18 years of age and diagnosed with HNC with no metastasis. The study results showed that 107 patients (61%) had CWL, while 68 (39%) did not. The following factors were significantly predictive of CWL with a multivariate regression analysis: pretreatment BMI (AOR = 1.1, 95% CI = 1.02-1.17), oral cavity cancer (AOR = 10.36, 95% CI = 1.13-94.55), and male sex (AOR = 3.15, 95% CI = 1.39-7.11). In conclusion, weight loss is highly prevalent among HNC patients during treatment. Accordingly, pretreatment BMI, cancer in the oral cavity, and being male can be considered predictive factors for CWL.

9.
Medicine (Baltimore) ; 102(44): e35838, 2023 Nov 03.
Artigo em Inglês | MEDLINE | ID: mdl-37933046

RESUMO

This study was designed to measure the prevalence of vitamin B12 deficiency among young adult females in Makkah City and study its correlation with some anthropometric and biochemical indicators. A cross-sectional study and a detailed questionnaire were used to collect information from 402 young women aged 19 to 22 years, who were university students. Moreover, dietary assessments using a validated food frequency questionnaire and anthropometric measurements were performed. The mean values of serum vitamin B12, serum folate, hemoglobin, and body mass index (BMI) were 343.29 ±â€…148.16 pg/mL, 12.72 ±â€…2.62 ng/mL, 12.69 ±â€…1.41 g/dL, and 22.64 ±â€…4.24 kg/m2, respectively. About three-quarters of the study sample had normal vitamin B12 levels, while the rest had vitamin B12 deficiency. Meanwhile, a significant negative association (r = -0.201, P = .048) was found between abdominal fat and serum vitamin B12 levels. This study concluded that the young adult females' population from Makkah City is among the risk groups for vitamin B12 deficiency, which is highly correlated with inappropriate values of weight, body fat, and some blood indices. Appropriate dietary interventions and awareness are needed for this population.


Assuntos
Deficiência de Vitamina B 12 , Vitamina B 12 , Feminino , Humanos , Adulto Jovem , Estudos Transversais , Deficiência de Vitamina B 12/complicações , Índice de Massa Corporal , Hemoglobinas , Ácido Fólico
10.
Prev Med Rep ; 35: 102343, 2023 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-37554351

RESUMO

Bariatric surgery (BS) is associated with vitamin and mineral deficiencies, which might be augmented by low adherence to dietary guidelines and inappropriate dietary behaviours. The aim of this study was to determine the influence of BS on eating behaviour, prevalence of nutrient deficiency, level of commitment to diet, and lifestyle recommendations one-year post-BS. A cross-sectional study was conducted among adult patients who underwent BS in 2019 and had follow-up for a year. Age, gender, and clinical data were collected from the hospital system and other information was obtained from questionnaires during phone interviews. A total of 160 patients participated in the study. At 12 months, a significant increase from the baseline values in plasma levels of vitamin B12, folate, vitamin D, iron, corrected calcium, albumin, CRP, and MCV, as well as a significant decrease in BMI was observed. Adherence to dietary and lifestyle recommendations was moderate to high. Emotional, and restrained eating behaviours were moderate with 64.4%, and 77.5%, respectively. External eating was low at 58.1%. The study concluded that pre-and post-bariatric surgery nutrients should be closely monitored.

11.
Medicine (Baltimore) ; 101(49): e31983, 2022 Dec 09.
Artigo em Inglês | MEDLINE | ID: mdl-36626469

RESUMO

The prevalence of obesity has recently increased, accompanied by a steep increase in the consumption of sugar-sweetened carbonated beverages (SSCBs). This cross-sectional study was conducted to evaluate the impact of SSCB consumption on adiposity parameters and to identify factors associated with increased SSCB intake among young adult females in Makkah, Saudi Arabia. A validated closed questionnaire including 2 sections, general socioeconomic and behavioral characteristics and anthropometric measurements, was used for data collection of female students (n = 1616) from Umm Al-Qura University, Makkah, Saudi Arabia. Furthermore, height, weight, body mass index (BMI), waist circumference (WC), hip circumference (HC), and body composition were measured using an Omron HBF-510 body composition analyzer. Overall, 30.2% of the study participants consumed soda regularly. However, the percentages of occasional and never/rare soda intake were 40.1% and 29.7%, respectively. The results showed that BMI, WC, HC, body fat, and visceral fat increased with increasing SSCB intake. Physical inactivity, low income, smoking, low daily water intake, and obesity were associated with increased consumption of SSCB. In conclusion, a high rate of SSCB consumption increased obesity and body fat content in young adult females in Makkah City. Physical inactivity, low income, smoking, low daily water intake, and obesity were identified as predictors of increased SSCB consumption. Specific health education programs and effective public awareness campaigns could be held to address unhealthy SSCB drinking patterns to help improve young women's health.


Assuntos
Adiposidade , Obesidade , Adulto Jovem , Feminino , Humanos , Estudos Transversais , Arábia Saudita/epidemiologia , Obesidade/epidemiologia , Obesidade/etiologia , Índice de Massa Corporal , Bebidas Gaseificadas/efeitos adversos , Estudantes , Açúcares , Bebidas
12.
J Trace Elem Med Biol ; 74: 127085, 2022 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-36179462

RESUMO

BACKGROUND: Chronic iron overload could induce nephropathy via oxidative stress and inflammation, and chelating therapy has limited efficacy in removing excess intracellular iron. Although vitamin D (VD) has shown potent antioxidant and anti-inflammatory effects, as well contribute to iron homeostasis, none of the previous studies measured its potential remedial effects against chronic iron toxicity. AIMS: To measure the alleviating effects of deferasirox (DFX) and/or vitamin D (VD) single and combined therapies against nephrotoxicity induced by chronic iron overload. METHODS: Forty male rats were divided into negative (NC) and positive (PC) controls, DFX, VD, and DFX/VD groups. The designated groups received iron for six weeks followed by DFX and/or VD for another six weeks. Then, the expression pattern of renal genes and proteins including hepcidin, ferroportin (FPN), megalin, transferrin receptor 1 (TfR1), ferritin heavy and light chains, VD receptor (VDR), VD synthesizing (Cyp27b1) and catabolizing (Cyp24a1) enzymes were measured alongside serum markers of renal function and iron biochemical parameters. Additionally, several markers of oxidative stress (MDA/H2O2/GSH/SOD1/CAT/GPx4) and inflammation (IL-1ß/IL-6/TNF-α/IL-10) together with renal cell apoptosis and expression of caspase-3 (Casp-3) were measured. RESULTS: The PC rats showed pathological iron and renal biochemical markers, hypovitaminosis D, increased renal tissue iron contents with increased Cyp24a1/Megalin/ferritin-chains/hepcidin, and decreased Cyp27b1/VDR/TfR1/FPN expression than the NC group. The PC renal tissues also showed abnormal histology, increased inflammatory (IL-1ß/IL-6/TNF-α), oxidative stress (MDA/H2O2), and apoptosis markers with decreased IL-10/GSH/SOD1/CAT/GPx4. Although DFX monotherapy reduced serum iron levels, it was comparable to the PC group in renal iron concentrations, VD and iron-homeostatic molecules, alongside markers of oxidative stress, inflammation, and apoptosis. On the other hand, VD monotherapy markedly modulated renal iron and VD-related molecules, reduced renal tissue iron concentrations, and preserved renal tissue relative to the PC and DFX groups. However, serum iron levels were equal in the VD and PC groups. In contrast, the best significant improvements in serum and renal iron levels, expression of renal iron-homeostatic molecules, oxidative stress, inflammation, and apoptosis were seen in the co-therapy group. CONCLUSIONS: iron-induced nephrotoxicity was associated with dysregulations in renal VD-system together with renal oxidative stress, inflammation, and apoptosis. While DFX reduced systemic iron, VD monotherapy showed better attenuation of renal iron concentrations and tissue damage. Nonetheless, the co-therapy approach exhibited the maximal remedial effects, possibly by enhanced modulation of renal iron-homeostatic molecules alongside reducing systemic iron levels. AVAILABILITY OF DATA AND MATERIALS: All data generated or analysed during this study are included in this published article [and its Supplementary information files].


Assuntos
Colecalciferol , Sobrecarga de Ferro , 25-Hidroxivitamina D3 1-alfa-Hidroxilase/genética , 25-Hidroxivitamina D3 1-alfa-Hidroxilase/metabolismo , 25-Hidroxivitamina D3 1-alfa-Hidroxilase/farmacologia , Animais , Anti-Inflamatórios/farmacologia , Antioxidantes/metabolismo , Antioxidantes/farmacologia , Biomarcadores/metabolismo , Caspase 3/metabolismo , Deferasirox/farmacologia , Ferritinas/metabolismo , Hepcidinas/metabolismo , Peróxido de Hidrogênio/metabolismo , Inflamação/metabolismo , Interleucina-10/metabolismo , Interleucina-6/metabolismo , Ferro/metabolismo , Sobrecarga de Ferro/metabolismo , Rim , Proteína-2 Relacionada a Receptor de Lipoproteína de Baixa Densidade/metabolismo , Masculino , Estresse Oxidativo , Ratos , Receptores da Transferrina/metabolismo , Superóxido Dismutase-1/metabolismo , Fator de Necrose Tumoral alfa/metabolismo , Vitamina D/metabolismo , Vitamina D/farmacologia , Vitamina D3 24-Hidroxilase/metabolismo
14.
Medicine (Baltimore) ; 101(40): e30757, 2022 Oct 07.
Artigo em Inglês | MEDLINE | ID: mdl-36221328

RESUMO

Chronic kidney disease, one of the most common diseases in the world, is characterized by irreversible impairment of the kidney's metabolic, excretory, and endocrine functions. During end-stage renal disease, patients require renal replacement therapy, such as hemodialysis (HD). Protein-energy wasting is a common health problem among HD patients. This study aims to assess the nutritional status of HD patients at two HD centers in Jeddah, Saudi Arabia, and to determine its associated factors. A cross-sectional study was conducted at two different dialysis centers in Jeddah, Saudi Arabia; 211 female and male HD patients. Malnutrition was recognized using the modified-subjective global assessment (M-SGA) comprising two parts: medical history and physical examination. Sociodemographic and health status for all patients were also determined. Patients were classified based on their M-SGA score into two groups: normal and malnourished. Overall, 54.5% of the participants showed malnutrition. Unemployment, low muscle strength and mass, high level of medication use, and high dialysis vintage were positively (P < .05) associated with malnutrition. In conclusion, the M-SGA score indicates a high prevalence of malnutrition among HD patients. These results show the importance of regular assessment and follow-ups for HD patients ensuring better health and nutritional status.


Assuntos
Falência Renal Crônica , Desnutrição , Adulto , Estudos Transversais , Feminino , Humanos , Falência Renal Crônica/complicações , Falência Renal Crônica/epidemiologia , Falência Renal Crônica/terapia , Masculino , Desnutrição/complicações , Desnutrição/etiologia , Avaliação Nutricional , Estado Nutricional , Prevalência , Diálise Renal/efeitos adversos , Arábia Saudita/epidemiologia
15.
Front Nutr ; 9: 863029, 2022.
Artigo em Inglês | MEDLINE | ID: mdl-35614977

RESUMO

Background: Breast cancer is one of the leading causes of death worldwide, it affects both men and women. In Saudi Arabia, breast cancer has been the most prevalent type of cancer in women, for the past few years. Dietary habits and cultural beliefs vary according to region, and further studies are required to demonstrate the relationship between these dietary habits and cultural beliefs and the risk of developing breast cancer. This study is aimed to discover the relationship between preventive dietary factors of the Mediterranean diet and rates of breast cancer among postmenopausal women in the Makkah region of Saudi Arabia. Methods: A case-control study was conducted in King Abdulla Medical City Hospital, Makkah, Saudi Arabia and included 432 Saudi female participants: 218 in the control group and 214 breast cancer patients. All participants were postmenopausal, around the same age, and all were ethnically Arab Saudis. Data were obtained using a self-administered validated questionnaire. Results: Study results showed that a diet that includes 1-2 servings of legumes weekly, 1-5 servings of fish weekly, 1-5 servings of dairy products daily, 3-5 servings of fruits and vegetables daily, and more than one cup of black tea and coffee per day significantly (p < 0.05) reduces the risk of breast cancer. Conclusion: This study demonstrates that consuming a Mediterranean diet, which includes legumes, fish, fruits and vegetables, black tea, coffee, and low intake of dairy products, works as a preventive factor against breast cancer in postmenopausal females from the Makkah region.

16.
Pak J Biol Sci ; 22(9): 406-411, 2019 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-31930870

RESUMO

BACKGROUND AND OBJECTIVE: Vitamin D has been shown to improve muscle strength and bone health; consequently, be important for maintaining good balance. Possible risk factors related to postural stability in young adults still underdetermined. However, this study was designed to determine the effect of vitamin D status on postural stability. MATERIALS AND METHODS: A cross-sectional study of 704 healthy young adult males were enrolled in this study. Dynamic balance was measured as overall stability index (OSI) using biodex balance system (BBS). Vitamin D deficiency was defined when its serum level <20 ng mL-1. The effect size was measured for vitamin D, parathyroid hormone (PTH) and the interaction between vitamin D and PTH (VTD*PTH) with respect to the OSI values. Correlations between variables were examined according to the beta standardised coefficient (ß) and the effect size was measured using the partial eta-squared (η2) test. RESULTS: About 95, 3.8 and 1.2% of individuals had deficient, insufficient and normal vitamin D levels, respectively. Vitamin D had no significant effect to OSI, but PTH exhibited a significant correlation with OSI (adjusted ß = 0.095, p = 0.038). A significant effect size was observed between OSI and PTH (adjusted partial η2 = 0.012, p = 0.038) and between OSI and VTD*PTH (adjusted partial η2 = 0.034, p<0.001). CONCLUSION: A significant interaction of vitamin D deficiency and high PTH on postural stability is detected among healthy adult males.


Assuntos
Hiperparatireoidismo/complicações , Equilíbrio Postural , Deficiência de Vitamina D/complicações , Adolescente , Adulto , Índice de Massa Corporal , Osso e Ossos/fisiologia , Calcifediol/sangue , Estudos Transversais , Voluntários Saudáveis , Humanos , Masculino , Hormônio Paratireóideo/sangue , Postura , Adulto Jovem
17.
Eur J Cancer Prev ; 27(5): 438-442, 2018 09.
Artigo em Inglês | MEDLINE | ID: mdl-28368948

RESUMO

We carried out a case-control study to investigate the effects of some lifestyle patterns on the occurrence of colorectal cancer (CRC) in the city of Mecca, Saudi Arabia. Parameters included BMI, employment, family income, educational level, family size, exercise, cancer awareness, diabetes, and hypertension. Individuals of both groups (n=164 for control group, n=137 for CRC group) completed a questionnaire with the help of trained dietitians. Results showed that limited cancer awareness was found to increase the risk of CRC [odds ratio (OR)=49.96, 95% confidence interval (CI): 11.45-217.9, P<0.001]. There was a linear trend (P-trend<0.001) of low educational level in increasing the risk of CRC. Mainly, illiterate individuals showed the highest risk of developing CRC (OR=116.8, 95% CI: 14.7-927.75, P<0.001). In addition, the results indicated a linear trend (P-trend<0.001) of low family income in increasing the risk of CRC. The highest risk of CRC was shown with family income less than 5000 Saudi riyals (OR=64.38, 95% CI: 12.82-323.28, P<0.001). Other risk factors included a sedentary lifestyle, unemployment, and diabetes. Surprisingly, low BMI was associated with increasing incidence of CRC (OR=0.92, 95% CI: 0.88-0.96, P<0.001). However, family size and hypertension had no effect (P>0.05) on the incidence of CRC. Our study emphasizes the effect of active lifestyle patterns and cancer awareness in decreasing the incidence of CRC in the Mecca region.


Assuntos
Neoplasias Colorretais/epidemiologia , Exercício Físico/fisiologia , Conhecimentos, Atitudes e Prática em Saúde , Estilo de Vida Saudável/fisiologia , Comportamento Sedentário , Adulto , Idoso , Estudos de Casos e Controles , Neoplasias Colorretais/prevenção & controle , Diabetes Mellitus/epidemiologia , Feminino , Humanos , Hipertensão/epidemiologia , Masculino , Pessoa de Meia-Idade , Fatores de Risco , Arábia Saudita/epidemiologia , Fatores Socioeconômicos , Inquéritos e Questionários
18.
Saudi J Med Med Sci ; 6(3): 137-142, 2018.
Artigo em Inglês | MEDLINE | ID: mdl-30787840

RESUMO

BACKGROUND: Systemic lupus erythematosus is a chronic autoimmune disease that increases the risk of suboptimal vitamin D levels. AIM: To determine the effects of vitamin D and calcium supplementation on disease activity, related immune markers and bone mineral density in patients with systemic lupus erythematosus. SUBJECTS AND METHODS: Eighty-one patients with systemic lupus erythematosus aged 20-70 years were recruited for this interventional study. Participants were enrolled into the following groups: no corticosteroid treatment (n = 21), corticosteroid treatment but without supplementation (n = 30) and corticosteroid treatment along with oral vitamin D and calcium supplementation (n = 30). Disease activity and laboratory parameters of all participants were measured at baseline and at 6 months. Bone mineral density was assessed using standardized dual-energy X-ray absorptiometry. RESULTS: At baseline, none of the patients had a normal vitamin D status. There were no significant correlations between vitamin D status and the studied immune markers or disease activity values before and after supplementation. After 6 months, patients who received supplementation showed significant (P = 0.002) improvements in bone mineral density. In addition, frequency of osteopenia decreased from 40% to 16.7% and that of osteoporosis decreased from 26.7% to 13.3%. CONCLUSION: Vitamin D and calcium supplementation significantly improved the bone mineral density in vitamin D-deficient patients with systemic lupus erythematosus but did not significantly attenuate immune markers or disease activity. Further investigations are recommended with higher doses of vitamin D and longer durations to normalize the vitamin level and, possibly, achieve better disease control.

19.
Children (Basel) ; 5(1)2018 Jan 03.
Artigo em Inglês | MEDLINE | ID: mdl-29301353

RESUMO

The objective of the study was to find the determinants related to not breastfeeding (BF) and others related to the delay in the early initiation of BF in the Mecca region, Saudi Arabia. A cross-sectional study in the Maternity and Children Hospital and primary healthcare centers was performed. A questionnaire was filled by dietitians to 814 asymptomatic Saudi mothers. Determinants related to not BF and the delay in the early initiation of BF were determined by binary logistic regression, and the odds ratio (OR) and 95% confidence interval (CI) were determined. Significant factors associated with not BF were not rooming-in infants in the mother's room (OR: 2.37; 95% CI: 1.66-3.41) and using a pacifier (OR: 1.62; 95% CI: 1.13-2.33). The most significant determinant of the early initiation of BF was the initiation of bottle feeding (OR: 18.16; 95% CI: 10.51-31.4), followed by not rooming-in infants in the mother's room (OR: 2.2; 95% CI: 1.52-3.18), initiation of partial feeding (OR: 1.89; 95% CI: 1.3-2.74), uninformed mothers regarding the importance of BF (OR: 1.56; 95% CI: 1.04-2.35), and cesarean sections (OR:1.42; 95% CI: 1.02-1.98). Risk factors affecting BF and the early initiation of BF in Mecca City should be highlighted in national campaigns to increase mothers' awareness and promote BF practice.

20.
Children (Basel) ; 5(3)2018 Mar 09.
Artigo em Inglês | MEDLINE | ID: mdl-29522445

RESUMO

A cross-sectional study was conducted to investigate the effect of some socioeconomic factors and lifestyle habits on the prevalence of obesity among adolescent male students in the Hail region, Saudi Arabia. A questionnaire was filled by 1495 male adolescents distributed among 12 schools in the Hail region. Body weight and height were taken, and the Z-score of students was measured using Anthroplus software with a cutoff 1-2 and +2 standard deviations to determine overweight and obesity, respectively. The study revealed that 21.3% of students were overweight and 27% were obese, respectively. There was a negative association between family size of >8 and obesity (OR: 0.68, CI: 0.48-0.92, p = 0.05). Family income of <5000 SR was negatively associated with obesity (OR: 0.59, CI: 0.36-0.97, p = 0.03). Whether a subject's mother worked (odds ratio (OR): 1.43, confidence interval CI: 1.03-1.99, p = 0.03) as well as the subject's mother's education-whether she can read and write, has a middle school degree, or has done postsecondary studies-were positively associated with obesity. Exercise, regardless of the duration, was negatively associated with obesity. In addition, sleeping <6 h/day had a positive association with obesity. CONCLUSION: a >8 family size and a low family income were negatively associated with obesity, while having an educated and working mother was positively associated with obesity.

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