Running or bicycling to the fish market may be just the right medicine for staying sharp mentally, according to a pair of new studies.
One study finds eating fish at least once a week is good for the brain, slowing age-related mental decline by the equivalent of three to four years.
The other study makes the startling find that people who exercise in middle age are far less likely to develop Alzheimer’s disease and other types of dementia when they are older.
The diet research adds to the growing evidence that a fish-rich diet helps keep the mind sharp. Previous studies found that people who ate fish lowered their risk of Alzheimer’s disease and stroke. Fish such as salmon and tuna that are rich in omega-3 fatty acids also have been shown to prevent heart disease.
“We found that people who ate one fish meal a week had a 10 percent slower annual decline in thinking,” said co-author Martha Clare Morris, an epidemiologist at Rush University Medical Center. “Those who ate two fish meals a week showed a 13 percent slower annual decline.”
Robertson added that this was the first study he knew of to show a specific link between exercise and preventing Alzheimer’s.
read more on exercise, fish and Alzheimer’s disease
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