What are the osteoporosis risk factors?
• being female • a small thin frame • advanced age • a family history of osteoporosis • early menopause • abnormal absence of menstrual periods (amenorrhea) • anorexia nervosa or bulimia • a diet low in calcium • use of certain medications (steroids, anticonvulsants, excessive thyroid hormones, certain cancer treatments) • low testosterone levels in men • a sedentary lifestyle • cigarette smoking • excessive alcohol intake