1.Has one of your parents been diagnosed with osteoporosis or had a fracture after a minor impact or fall? 2.Have you ever suffered a fracture after a minor impact or fall? 3. Have you ever taken glucocorticoids for more than 3 months? 4. Have you ever been shorter than 3 cm (more than 1 foot) in height? 5.Are you regularly consuming more than a safe dose of alcohol? 6. Do you smoke more than 20 cigarettes a day? 7, whether you often diarrhea (due to celiac disease, Crohn’s disease, etc.). Women 8.Are you menopausal before the age of 45? 9. Have you ever stopped menstruating for 12 months or longer (except for pregnancy or menopause). Male 10. Do you have symptoms of androgen deficiency such as heartburn and reduced libido? Are you thin, with a BMI (weight/height2) <19 (Kg/m2).