Adolescent Nutritional Physiological Phenomena; Anti-Obesity Agents/administration & dosage; Beverages; Dietary Supplements; Energy Intake; Health Knowledge, Attitudes, Practice; Micronutrients/administration & dosage; Adolescent; Adolescent Nutritional Physiological Phenomena/ethnology; Adult; Anti-Obesity Agents/adverse effects; Arrhythmias, Cardiac/epidemiology; Arrhythmias, Cardiac/ethnology; Arrhythmias, Cardiac/etiology; Athletes; Beverages/adverse effects; Cross-Sectional Studies; Dietary Supplements/adverse effects; Energy Intake/ethnology; Female; Headache/epidemiology; Headache/ethnology; Headache/etiology; Health Knowledge, Attitudes, Practice/ethnology; Humans; Incidence; Male; Micronutrients/adverse effects; Nutrition Surveys; Schools; Sleep Wake Disorders/epidemiology; Sleep Wake Disorders/ethnology; Sleep Wake Disorders/etiology; Trinidad and Tobago/epidemiology; Young Adult