[Osteoporosis: risk factors and prevention].

Osteoporosis is a chronic disease with an increasing prevalence due to the ageing of the population. The consequences of this disease are not negligible because of the morbidity and mortality associated with it. Osteoporotic fractures are often the cause of loss of independence in the elderly, requiring considerable resources in terms of health services. Osteoporosis can be prevented effectively, but remains underestimated. Thanks to his frequent contacts with the public, the pharmacist can play an important role by informing about the disease and raising awareness for the prevention of it.