Regular exercise reduces risk of dementia and Alzheimer's disease

More evidence for the “use it or lose it” approach to ageing has come from a study published this week showing that older adults who exercised three or more times a week had a significantly lower risk of developing dementia than adults who exercised less (Annals of Internal Medicine 2006;144: 73-81).

The study included a randomly selected group of 1740 adults aged 65 years or older with normal cognitive function, as assessed by the Cognitive …