Keeping muscles strong will keep Alzheimer's at bay

( stronger people showed a slower decline in their mental abilities )

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Older people with stronger muscles are at reduced risk of developing Alzheimer's disease compared to their weaker peers, a new study shows. Studies have linked grip strength to Alzheimer's, while a person's weight and level of physical activity also influence risk of the disease. To date, however, no one has studied whether muscle strength in and of itself might play a role in dementia risk, Boyle and her team note in November's Annals of Neurology."These findings support the link between physical health and cognition in aging and the importance of maintaining good physical function and strength," Boyle said.The researchers measured the strength of nine muscle groups in the arms and legs of 970 dementia-free men and women 54 to 100 years old (their average age was around 80). They also tested the strength of study participants' breathing muscles. During follow-up, which lasted about four years, 138 people developed Alzheimer's. These individuals were older and had worse mental function than the rest of the study participants. They also were weaker. Read more: canada.com

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