Prevention of osteoporosis.
D000293:Adolescent; D000328:Adult; D000368:Aged; D000428:Alcohol Drinking / Q000009:adverse effects; D002118:Calcium / Q000502:physiology; D002648:Child; D002675:Child, Preschool; D004198:Disease Susceptibility; D015914:Estrogen Replacement Therapy; D015444:Exercise; D005260:Female; D006801:Humans; D007194:India / Q000453:epidemiology; D008297:Male; D008875:Middle Aged; D018673:Nutrition Policy; D010024:Osteoporosis / Q000453:epidemiology / Q000209:etiology / Q000517:prevention & control*; D015995:Prevalence; D044469:Racial Groups; D012907:Smoking / Q000009:adverse effects; D014807:Vitamin D / Q000502:physiology