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1.
Front Glob Womens Health ; 5: 1355375, 2024.
Article in English | MEDLINE | ID: mdl-38699460

ABSTRACT

Objectives: This study aimed to explore competing priorities when cannabis is used during pregnancy from the perspective of providers and Black and Latina people. Maternal cannabis use is increasingly common, but patients and providers alike struggle to navigate it. Methods: This pilot used qualitative, constructivist ground theory methods to conduct semi-structured, remote interviews between 16 November 2021, and 7 February 2022 with 7 Black and Latina people who used cannabis during pregnancy, and 10 providers between 15 March 2022, and 6 April 2022, all of who were in Southern California, U.S. Results: We identified three main findings: (1) Providers reported barriers to caregiving and relationship building with patients due to maternal cannabis use stigma, (2) Providers prioritized the fetus despite patients' current health system challenges that drove cannabis use, and (3) Both patients and providers engaged in personal research beyond the healthcare system to better understand maternal cannabis use. Discussion: Our findings indicate that challenges exist between people who use cannabis during pregnancy and providers. Both groups need accurate, sociocultural sensitive information about maternal cannabis use via a harm reduction lens.

2.
J Sex Med ; 21(5): 464-470, 2024 Apr 30.
Article in English | MEDLINE | ID: mdl-38491395

ABSTRACT

BACKGROUND: Women's sexual health after radical cystectomy is an important but poorly understood aspect of bladder cancer survivorship. Dedicated investigation is needed to elucidate patient perceptions on sexual function and dysfunction in this setting. AIMS: In this study we sought to qualitatively examine women's perceptions and experiences of sexual health following radical cystectomy for bladder cancer. METHODS: We conducted one-on-one qualitative telephone interviews with 40 women who underwent radical cystectomy in the past 6 months to 5 years and signed a research consent form to be contacted for future studies. We examined women's experiences of engaging in sexual activity after surgery and their attitudes toward sex and body image. We audio recorded, transcribed, and coded the interviews using ATLAS.ti software and applied grounded theory methods for analysis. OUTCOMES: For data that emerged during the qualitative interviews that was related to lack of knowledge about how physical and psychological sexual health would be affected after surgery, we reviewed and discussed transcripts that enabled coding of the data into emerging topic areas. RESULTS: Our analysis yielded 4 main themes. (1) Women reported receiving little to no information from providers about female sexual dysfunction prior to or after radical cystectomy. Women wished they had been provided more information about female sexual dysfunction from their clinicians, including strategies for postoperative self-pleasure and nonintercourse methods of sexual pleasure with partners. (2) Women shared that they were not sexually active following surgery due to physical and mental barriers. (3) When women did try to engage in sex, they described feeling disappointed that it did not feel the same as prior to surgery. (4) Some women found that physical therapy helped them to physically and mentally recover their strength to engage in sexual activity again. CLINICAL IMPLICATIONS: Clinicians must directly address sexual health concerns with patients who undergo radical cystectomy. STRENGTHS AND LIMITATIONS: This study has several key strengths. Investigation into women's sexual function and dysfunction addresses a gap in understanding of this component of women's health-related quality of life after radical cystectomy, which represents an unmet need. The large number of interviews conducted as well as the in-depth information obtained through one-on-one interviews are additional strengths. This study also has limitations, including possible shortcomings of telephone interviews compared with in-person interviews. However, telephone interviews were beneficial because the interviews took place during the COVID-19 pandemic and spared patients from extra visits or from having to travel long distances to the respective medical centers. Other possible limitations were that patients may have been reluctant to share all of their experiences and that patients who underwent urostomies, also termed ileal conduits, were overrepresented in this study compared with women who underwent continent urine diversions, which allow greater control over urine output. CONCLUSION: Broadening the understanding of sexual health beyond sexual intercourse to encompass sexuality and self-pleasure can provide clinicians, patients, and their families with more effective preparation and strategies to care for an essential aspect of their wellbeing.


Subject(s)
Cystectomy , Qualitative Research , Sexual Behavior , Sexual Dysfunction, Physiological , Urinary Bladder Neoplasms , Humans , Female , Urinary Bladder Neoplasms/surgery , Urinary Bladder Neoplasms/psychology , Sexual Dysfunction, Physiological/etiology , Sexual Dysfunction, Physiological/psychology , Middle Aged , Aged , Sexual Behavior/psychology , Body Image/psychology , Sexual Health , Vagina/surgery , Interviews as Topic , Adult
3.
Subst Use Addctn J ; 45(2): 181-190, 2024 Apr.
Article in English | MEDLINE | ID: mdl-38281133

ABSTRACT

BACKGROUND: Young adults are using e-cigarettes at high rates. While the literature on the health risks associated with e-cigarettes is extensive and growing, little is known about young adults' thoughts and perceptions of the safety and harms of e-cigarettes. METHODS: We conducted one-on-one interviews with young adults aged 18 to 25 years in Los Angeles, California between June 2018 and June 2019. We interviewed and audio-recorded young adults (N = 62) who consented to the study and self-reported to have used e-cigarettes on a weekly basis or more for at least 5 months prior to study enrollment. Interviews examined participants' thoughts, feelings, and experiences related to e-cigarette use. We audio-recorded, transcribed, and coded the interviews using grounded theory analysis methods. RESULTS: Young adults often believed that e-cigarettes were safer than cigarettes and were safe to use, especially following positive vaping experiences. Young adults were skeptical of the available science on e-cigarette use and felt there was not conclusive data on the harms of e-cigarettes. In their selection of e-cigarettes over cigarettes, young adults felt they were making a conscious and healthier choice. Because young adults viewed e-cigarettes to be better for them based on their personal experiences with vaping, they felt e-cigarettes were a superior alternative to combustible tobacco. CONCLUSIONS: Young adults in our study believed that the long-term health effects of e-cigarette use are not clearly understood and were generally skeptical of the research on e-cigarette harms. Policy, education, and anti-smoking campaigns need to clarify the negative health-related consequences of e-cigarette use for young people.


Subject(s)
Electronic Nicotine Delivery Systems , Smoking Cessation , Tobacco Products , Humans , Young Adult , Adolescent , Smoking Cessation/methods , Educational Status , Self Report
4.
J Pediatr Surg ; 59(4): 718-724, 2024 Apr.
Article in English | MEDLINE | ID: mdl-38184435

ABSTRACT

BACKGROUND: Little is known about how families make decisions regarding postoperative prescription opioid consumption. This qualitative study examines adolescent and parent perspectives on postoperative prescription opioid use. METHODS: We recruited adolescents aged 13-20 years old who received a postoperative opioid prescription and their parents from a previous longitudinal cohort study. We employed purposive sampling for recruitment to reflect local community sociodemographics including race/ethnicity, health literacy, and Spanish-language preference then conducted thematic analysis of focus group feedback. RESULTS: Participants met in four virtual focus groups: adolescents from English-speaking households(n = 2), adolescents from Spanish-speaking households(n = 5), English-speaking parents(n = 4), and Spanish-speaking parents (n = 4). Five themes emerged: Parents (1) feared opioid use would result in overdose or addiction and (2) desired information about alternative medical and behavioral strategies to minimize use. (3) Parents felt empowered to manage their adolescent's opioid use and trusted their adolescent to prompt them for opioids. Adolescents trusted their parents to manage their opioid use but maintained their autonomy to limit opioid consumption when experiencing undesirable side effects. (4) Some adolescents and parents endorsed a preference for "not taking medication" in their households. (5) Both parents and adolescents reported previous knowledge of opioids prior to surgery, with adolescents learning more nuanced information about opioid safety after their surgeries. CONCLUSIONS: Families feel empowered to manage their postoperative prescription opioid use but fear the negative effects of opioids and desire information on alternatives. Evidence-based, family-centric education from providers in a language preferred by the family could mitigate families' concerns and contribute to improved pain control and safety. LEVEL OF EVIDENCE: IV.


Subject(s)
Analgesics, Opioid , Parents , Humans , Adolescent , Young Adult , Adult , Analgesics, Opioid/therapeutic use , Cohort Studies , Ethnicity , Focus Groups
5.
JAMA ; 331(3): 256-257, 2024 01 16.
Article in English | MEDLINE | ID: mdl-38227040
7.
Womens Health Rep (New Rochelle) ; 4(1): 400-408, 2023.
Article in English | MEDLINE | ID: mdl-37529758

ABSTRACT

Objective: To identify perceptions of cannabis use and risk among maternal health providers who provide care for people who use cannabis during pregnancy in safety-net health settings. Methods: Using qualitative, constructivist ground theory methods, we conducted semistructured remote interviews with 10 providers (2 midwives, 6 OB/GYN physicians, and 2 OB/GYN residents) in Southern California, United States, between March 15, 2022, and April 6, 2022. We selected participants through selective sampling using a convenience sample and snowball approach. Providers were eligible for the study if they self-reported via survey to being a maternal health provider (e.g., physician, doula, midwife, and so on) providing care in a safety-net health setting and had cared for people who used cannabis during pregnancy in the last year. Analysis drew upon grounded theory methods to document the socio-structural contexts that contribute to provider perceptions about cannabis. This study was approved by the University of Southern California Institutional Review Board (UP-21-00282-AM009). Results: We identified three categories of provider perceptions of cannabis use and risk during pregnancy: (1) Relying on self-education, (2) Taking a case-by-case approach, and (3) Avoiding cannabis discussions to maintain an alliance with patients. Findings indicate that provider reluctance to counsel patients about cannabis in favor of preserving a therapeutic relationship can overlook the lack of resources and access to health care alternatives available to low-income patients that can shape self-medicating. Conclusions: Nonpunitive policies and training on cannabis use are critical steps for supporting providers to counsel patients who use cannabis during pregnancy, alongside a harm reduction approach that acknowledges the broader socio-structural contexts and barriers facing patients who disclose use.

8.
Appetite ; 175: 106075, 2022 Aug 01.
Article in English | MEDLINE | ID: mdl-35525332

ABSTRACT

INTRODUCTION: Emerging research has found that some young adults report vaping nicotine to control appetite and lose weight. Yet, there is little research on how young adults use vaping to manage weight, where they learn about weight-motivated vaping, and the role that food and weight motivations play in decisions to vape. METHODS: We conducted one-on-one qualitative interviews with young adults aged 18-25 years old in Los Angeles, California (N = 62) from June 2018 to June 2019, who self-reported using e-cigarettes on a weekly basis or more for at least 5 months prior to study enrollment. Interviews examined participants' thoughts, feelings, and experiences related to e-cigarette use, including their understanding of the relation of vaping with eating behaviors and weight management. We analyzed the interviews using the rigorous and accelerated data reduction (RADaR) technique. RESULTS: Participants reported pairing nicotine vaping with caffeinated beverages like coffee, pop/soda, tea, and after every meal (like patterns of combustible cigarette use). Participants also reported vaping nicotine as a tool to avoid binge eating and increase concentration while studying. Reports of vaping effecting appetite and eating behaviors also emerged. Vaping nicotine to suppress appetite and/or achieve weight loss was often reported in conjunction with an eating disorder. Participants reported learning about weight-motivated vaping from peers or deducing from cigarette effects and their own experiences with nicotine. Others mentioned controlling food cravings by vaping a similar e-liquid flavor. CONCLUSION: Nicotine vaping was used as a tool to control weight and suppress appetite, paralleling food- and weight-related behaviors associated with cigarette use. Findings suggest a need for targeted interventions that address the role of nicotine vaping in eating/weight-related behaviors.

9.
Nicotine Tob Res ; 24(3): 416-420, 2022 02 14.
Article in English | MEDLINE | ID: mdl-33846743

ABSTRACT

INTRODUCTION: Previous studies suggest that young adults who vape nicotine experience difficulty when answering survey items assessing the quantity of vaping. The current study asked young adults who vape to provide suggestions for improving the scientific measurement of vaping. AIMS AND METHODS: We conducted semi-structured qualitative interviews with 62 young adults who vape in Los Angeles, California between June 2018 and June 2019. We analyzed participants' responses to the following question: "What do you think is the best way for us to understand how much people vape?" using thematic content analysis. RESULTS: We identified two major themes: (1) challenges stemming from differences between the way researchers query about vaping and how individuals self-monitor vaping frequency, and (2) insights for future measurement of vaping. Participants reported that challenges of accurately quantifying vaping were due to inherently hard-to-answer questions (eg, puffs per day), lack of awareness of or not actively monitoring consumption of vaping products, or because vaping behaviors vary considerably between and within individuals over time, making "on-average" questions challenging. Participants discussed ideas for improving survey measures that could accurately assess vaping quantity, including querying about the type of device used, and frequency of replenishment of nicotine solutions. CONCLUSIONS: Existing vaping behavior survey measures may not accurately capture the quantity of vaping as they differ from how (or if) participants track their own vaping consumption patterns. While continued research is needed to optimally refine survey measures on vaping consumption, future measures may better align with vapers' self-monitoring by including questions on device-type and replenishment frequency. IMPLICATIONS: The present study provides insights regarding the variability that exists between vaping quantity measurements utilized by researchers and individuals who consume e-cigarettes. The qualitative data analyzed for this study support previous reports of difficulties faced by vapers when asked questions by researchers related to their vaping behavior. Furthermore, the present findings suggest the direction for the future development of accurate measurements of vaping frequency.


Subject(s)
Electronic Nicotine Delivery Systems , Vaping , Humans , Nicotine , Smokers , Surveys and Questionnaires , Young Adult
10.
Nicotine Tob Res ; 24(7): 986-993, 2022 06 15.
Article in English | MEDLINE | ID: mdl-34850184

ABSTRACT

INTRODUCTION: Young adult never-smokers who vape are at elevated risk of initiating cigarettes, while young adults who smoke often begin vaping to substitute or reduce cigarette use. Reasons underlying different use patterns of tobacco products are not well-understood. AIMS AND METHODS: We conducted 1-on-1 qualitative interviews with young adults (N = 62) who vape in Los Angeles, California from June 2018 to June 2019. Participants were 18-25 years old (79% male; racially/ethnically diverse) and self-reported vaping ≥1x/week. We used a semi-structured interview guide and applied thematic analysis method to analyze data. RESULTS: Young adults initiated vaping due to peer socialization and e-liquid flavor novelty. They often reported vaping (after first smoking) due to a belief that e-cigarettes are healthier, social pressure to quit smoking, and convenience of use. Participants reported smoking (after first vaping) when traveling outside of the United States where vaping products were less accessible, and cigarettes were normative. Many of the personal narratives described patterns of dual and cyclical use, which was often attributed to nicotine dependence and cost, or described as dependent upon the current environment (eg, at a party). CONCLUSIONS: The current study characterizes nicotine use trajectories and reasons why young adults vape, and smoke cigarettes. Dual and cyclical use of both e-cigarettes and cigarettes was common; this pattern of use should be considered in policy and prevention work to address nicotine dependence among young people. IMPLICATIONS: We display findings from the current study in a model depicting common trajectories of nicotine use, along with reasons for initiation, transitions between products, and dual/cyclical e-cigarette and combustible cigarette use.


Subject(s)
Electronic Nicotine Delivery Systems , Smoking Cessation , Tobacco Products , Tobacco Use Disorder , Vaping , Adolescent , Adult , Female , Humans , Male , Nicotine , Smoking Cessation/methods , United States , Young Adult
11.
Int J Drug Policy ; 97: 103297, 2021 11.
Article in English | MEDLINE | ID: mdl-34077825

ABSTRACT

OBJECTIVE: Prior research has associated assisted injection with risk behaviors, but other risks such as injury, missed veins, and incidental exposures to blood-borne infections during an injection episode have not been assessed. In the following, we present the frequency of these other risks and determine factors associated with missing a vein and incidental blood exposure among people who inject drugs (PWID). METHODS: We conducted a cross-sectional analysis of data from PWID who were recruited using targeted sampling in Los Angeles and San Francisco, California, during 2016 and 2017. The analytic sample consist of 336 participants who reported providing injection assistance in the last 6 months. Multivariate logistic regression models were developed for reporting the following risks: missing a vein; getting the recipient's blood on the injection provider; and getting blood on clothes or surfaces. RESULTS: In the last 6 months, the most common negative consequences were getting blood on clothes or surfaces (40%), getting the recipient's blood on the injection provider (23%), and missing a vein (17%). In multivariate logistic regression analysis, missing the vein was significantly associated with higher odds of assisting a leg injection while getting the injection recipient's blood on the provider or getting blood on clothes or nearby surfaces was associated with higher odds of assisting a groin injection injecting in the groin. CONCLUSION: Providing injection assistance can result in incidental blood exposures and injury, particularly when injecting in sensitive locations on the body. Harm reduction interventions to reduce risks associated with this practice are essential to improving the well-being of PWID.


Subject(s)
Drug Users , Substance Abuse, Intravenous , Blood-Borne Infections , Cross-Sectional Studies , Humans , Risk Factors , Risk-Taking , Substance Abuse, Intravenous/epidemiology
12.
BMC Public Health ; 21(1): 959, 2021 05 20.
Article in English | MEDLINE | ID: mdl-34016066

ABSTRACT

BACKGROUND: While rates of e-cigarette use ('vaping') continue to potentiate concern, there is limited data on common symptoms of e-cigarette dependence among young adults who vape. This study sought to critically explore how young adults experience, manifest, and conceptualize vaping dependence symptoms in their everyday lives. METHODS: Between June 2018 and 2019, in-depth qualitative interviews were conducted with 62 young adults who use e-cigarettes (aged 18-25) and live in Southern California. We explored participants' product preferences, daily e-cigarette use patterns, vaping history, withdrawal experiences, and quit attempts or periods of cessation. We used a thematic analysis approach to interpret the transcripts. RESULTS: Young adults discussed nine dimensions of vaping dependence that were organized into two categories: 1) general nicotine dependence symptoms, and 2) unique dependence symptoms related to vaping. Nicotine dependence symptoms included cravings and urgency to use, increased use to achieve desired effects, and unsuccessful quit attempts and withdrawal. Symptoms unique to vaping dependence included greater nicotine consumption due to accessibility and lack of restrictions, habitual vaping, inability to track vaping frequency, immediate gratification and comfort, social acceptability and norms, and awareness of vaping dependency. CONCLUSIONS: In addition to nicotine dependence symptoms that have been characterized for other tobacco products, young adult e-cigarette users described unique symptoms of vaping dependence that necessitate the need for more refined measures. All dimensions of vaping dependence should be considered in discussions of policies as well as treatment and education efforts intended to protect young people from e-cigarette dependence.


Subject(s)
Electronic Nicotine Delivery Systems , Smoking Cessation , Tobacco Use Disorder , Vaping , Adolescent , Adult , Humans , Nicotine , Tobacco Use Disorder/diagnosis , Tobacco Use Disorder/epidemiology , Vaping/adverse effects , Young Adult
13.
Drug Alcohol Depend ; 223: 108702, 2021 06 01.
Article in English | MEDLINE | ID: mdl-33894459

ABSTRACT

BACKGROUND: Regular methamphetamine (MA) use can result in withdrawal syndrome characterized by fatigue, agitation, depression, and anxiety. No studies that we are aware of have examined the prevalence and predictors of MA withdrawal symptoms among people who inject drugs (PWID). METHODS: PWID were recruited using targeted sampling methods in Los Angeles and San Francisco, California from 2016 to 2017. Survey questions included demographics, drug use, and MA withdrawal symptoms, frequency, and symptom severity. Participants who reported regular MA use (> 12 times in the last 30 days) were included in this analysis (N = 595). Multivariable regression models were developed to examine factors associated with any MA withdrawal, withdrawal frequency, symptom severity, and receptive syringe sharing. RESULTS: MA withdrawal symptoms in the past 6 months were reported by 53 % of PWID, with 25 % reporting weekly withdrawal symptoms, and 20 % reporting very or extremely painful symptoms. In multivariable logistic regression, presence of any MA withdrawal symptoms was positively associated with more frequent MA use and non-injection tranquilizer use and inversely associated with crack cocaine use. Among those reporting any withdrawal, female sex was associated with more frequent withdrawal symptoms. Very or extremely painful withdrawal symptoms were associated with being in residential treatment. Receptive syringe sharing was associated with any MA withdrawal symptoms and weekly frequency of symptoms. CONCLUSION: MA withdrawal symptoms are common among PWID and are associated with receptive syringe sharing. Strategies for implementing MA use treatment, safe supply programs, and syringe services programs targeting people who inject MA are indicated.


Subject(s)
HIV Infections , Methamphetamine , Pharmaceutical Preparations , Substance Abuse, Intravenous , Substance Withdrawal Syndrome , Female , Humans , Methamphetamine/adverse effects , Needle Sharing , Risk-Taking , Substance Abuse, Intravenous/epidemiology , Substance Withdrawal Syndrome/diagnosis , Substance Withdrawal Syndrome/epidemiology
14.
Drug Alcohol Depend ; 219: 108421, 2021 02 01.
Article in English | MEDLINE | ID: mdl-33301996

ABSTRACT

OBJECTIVE: Cannabis motivations have been studied extensively among patients of medicinal cannabis dispensaries, but less is known about motivations in community samples of opioid-using people who inject drugs. Our objective is to describe cannabis use motivations associated with self-treatment of physical pain, emotional issues, and as an opioid substitute. METHODS: Data come from 6-month follow-up interviews with people who inject drugs who participated in a study on the efficacy of an injection initiation prevention intervention in Los Angeles and San Francisco, California from 2016-18. The analytic sample consists of 387 people who inject drugs who reported past-month cannabis use. We developed multivariable logistic regression models by reported cannabis use motivations: physical pain relief, emotional problems, and opioid substitute. RESULTS: The most common cannabis use motivations reported by people who inject drugs was to "get high," relieve physical pain and emotional problems, and reduce opioid use. In separate multivariate models, using cannabis for physical pain relief was associated with higher odds of using cannabis as a substitute for opioids; cannabis for emotional problems was associated with being diagnosed with depression; and cannabis as a substitute for opioids was associated with non-prescribed, non-injection methadone use. CONCLUSION: People who inject drugs reported using cannabis for health-related motivations. This motivation aligns with health needs and suggests the acceptability of cannabis use for health reasons in this population. Studies to determine the medical effectiveness of cannabis products for these common health and mental health needs among people who inject drugs are needed.


Subject(s)
Marijuana Smoking/epidemiology , Substance Abuse, Intravenous/epidemiology , Adult , Analgesics/therapeutic use , Analgesics, Opioid/therapeutic use , Cannabis , Female , Humans , Injections , Intention , Logistic Models , Los Angeles/epidemiology , Male , Medical Marijuana/therapeutic use , Middle Aged , Motivation , Opioid-Related Disorders/drug therapy , Pain/drug therapy , Pain Management , San Francisco/epidemiology
15.
Drug Alcohol Depend ; 211: 107932, 2020 06 01.
Article in English | MEDLINE | ID: mdl-32199668

ABSTRACT

OBJECTIVE: Opioid withdrawal symptoms are widely understood to contribute to health risk but have rarely been measured in community samples of opioid using people who inject drugs (PWID). METHODS: Using targeted sampling methods, 814 PWID who reported regular opioid use (at least 12 uses in the last 30 days) were recruited and interviewed about demographics, drug use, health risk, and withdrawal symptoms, frequency, and pain. Multivariable regression models were developed to examine factors associated with any opioid withdrawal, withdrawal frequency, pain severity, and two important health risks (receptive syringe sharing and non-fatal overdose). RESULTS: Opioid withdrawal symptoms were reported by 85 % of participants in the last 6 months, with 29 % reporting at least monthly withdrawal symptoms and 35 % reporting at least weekly withdrawal symptoms. Very or extremely painful symptoms were reported by 57 %. In separate models, we found any opioid withdrawal (adjusted odds ratio [AOR] = 2.75, 95 % confidence interval [CI] = 1.52, 5.00) and weekly or more opioid withdrawal frequency (AOR = 1.94; 95 % CI = 1.26, 3.00) (as compared to less than monthly) to be independently associated with receptive syringe sharing while controlling for confounders. Any opioid withdrawal (AOR = 1.71; 95 % CI = 1.04, 2.81) was independently associated with nonfatal overdose while controlling for confounders. In a separate model, weekly or more withdrawal frequency (AOR = 1.69; 95 % CI = 1.12, 2.55) and extreme or very painful withdrawal symptoms (AOR = 1.53; 95 % CI = 1.08, 2.16) were associated with nonfatal overdose as well. CONCLUSIONS: Withdrawal symptoms among PWID increase health risk. Treatment of withdrawal symptoms is urgently needed and should include buprenorphine dispensing.


Subject(s)
Analgesics, Opioid/adverse effects , Health Status , Opioid-Related Disorders/epidemiology , Pain/epidemiology , Substance Abuse, Intravenous/epidemiology , Substance Withdrawal Syndrome/epidemiology , Adult , Analgesics, Opioid/therapeutic use , Buprenorphine/therapeutic use , Cross-Sectional Studies , Drug Overdose/drug therapy , Drug Overdose/epidemiology , Female , Humans , Male , Middle Aged , Needle Sharing/trends , Opioid-Related Disorders/drug therapy , Pain/drug therapy , Risk Factors , Substance Abuse, Intravenous/drug therapy , Substance Withdrawal Syndrome/drug therapy
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