[Life style risk factors in the etiopathogenesis of osteoporosis and possibilities of prevention]. 
The prevalence of osteoporosis and its complications, in particular fractures of the femur, are rising and at present special attention is devoted to osteoporosis from the scientific, health and socio-economic aspect.  The authors deal with factors of civilization which are involved in the aetiopathogenesis of osteoporosis and its complications and which can be influenced by preventive provisions.  These factors which are part of the modern lifestyle comprise physical load, nutritional influences, the influence of toxic substances and drugs.  As to nutritional factors the authors pay attention to an adequate calcium intake.  They deal in detail also with aluminium intoxications.  Attention is also drawn to the possible pathogenetic importance of stress and the authors contemplate on the inclusion of osteoporosis among diseases of civilization.