摘要: Summary points Exercise has protective effects: it is associated with decreased disability score and rate of myocardial infarction; also effective in very old people Multifactorial interventions decrease the likelihood falls Low body mass considerably increases risk hip fracture older women; other factors include alcohol consumption, prior stroke, low activity levels, use long acting benzodiazepines, large caffeine visual impairment Alendronate decreases vertebral fractures women bone Influenza vaccine efficacious cost Though apolipoprotein E4 allele Alzheimer9s disease, a preventive strategy for disease remains distant goal