Nutrition and performance.
D000328:Adult; D000368:Aged; D001833:Body Temperature Regulation; D001835:Body Weight; D004032:Diet / Q000592:standards*; D004033:Diet Fads / Q000009:adverse effects; D004526:Efficiency; D004734:Energy Metabolism; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009747:Nutritional Physiological Phenomena; D009751:Nutritional Requirements; D010807:Physical Endurance; D005082:Physical Exertion / Q000187:drug effects; D010809:Physical Fitness; D010947:Plants, Toxic; D011781:Quackery; D013177:Sports; D014026:Nicotiana