(14-11-05) Regular Exercise in Younger Years Reduces Alzheimer's Risk by 60%

Middle-aged people can reduce their risk of developing dementia and Alzheimer's
disease later in life by remaining physically active, according to a new study.
Researchers found people who exercised at least twice a week in sessions lasting 20
minutes or more reduced their risk of developing Alzheimer's disease by 60%,
compared with those who did a small amount of training.

The active group also lowered their odds of having dementia by 50%, reported the
journal Lancet Neurology. Dr Miia Kivipelto, from the Ageing Research Centre at the
Karolinska Institute in Sweden, who led the study, said:

"These findings may have wide implications for preventive healthcare." "If an individual
adopts an active lifestyle in youth and at mid-life, this may increase their probability of
enjoying both physically and cognitively vital years later in life." The researchers
randomly selected 1,449 people aged between 65 and 79 who had been surveyed
about their leisure-time physical activity in 1972, 1977, 1982 and 1987 to take part in the
study. The scientists also found that in individuals who were genetically susceptible to
Alzheimer's disease, physical activity had more pronounced effects against developing
the condition or dementia in later life. The report said there were a variety of reasons
why exercise might be good for the brain.

Source: worldhealth.net

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