Active minds at play 'keeps dementia at bay,' researchers say
A healthy lifestyle including exercise and good diet also thwarts brain condition
Dementia, a crippling brain condition that robs the elderly of their memory and cognitive abilities, can be staved off by reading books or writing letters. Those are the suggestions of a recent medical study.
Dementia, a crippling brain condition that robs the elderly of their memory and cognitive abilities, can be staved off by reading books or writing letters.
In addition, an Alzheimer's charity said the best way to lower dementia risk was to eat a balanced diet, exercise and stay slim.
In the U.S. study, 294 people over the age of 55 were given tests that measured memory and thinking, every year for about six years until their deaths. Test subjects also answered a questionnaire about whether they read books, wrote letters and took part in other activities linked to mental stimulation during childhood, adolescence, middle age and in later life.
Brains of the test subjects were examined after death for evidence of the physical signs of dementia, such as brain lesions and plaques.
The study found that those who had a record of keeping the brain busy had a rate of cognitive decline estimated at 15 percent slower than those who did not.
"The brain that we have in old age depends in part on what we habitually ask it to do in life," study leader Dr. Robert Wilson, of Rush University Medical Center in Chicago said. He says the research suggested exercising the brain across a lifetime was important for brain health in old age.
"What you do during your lifetime has a great impact on the likelihood these age-related diseases are going to be expressed."
Dr. Simon Ridley, head of research at Alzheimer's Research U.K., said there was increasing evidence mental activity may help protect against cognitive decline. He notes that the underlying reasons for this remained unclear.
"By examining donated brain tissue, this study has shed more light on this complex question, and the results lend weight to the theory that mental activity may provide a level of 'cognitive reserve', helping the brain resist some of the damage from diseases such as Alzheimer's," he said.
Dr James Pickett, head of research at the Alzheimer's Society, added: "More research and bigger studies are needed, but in the meantime reading more and doing crosswords can be enjoyable and certainly won't do you any harm.
"The best way to reduce your risk of developing dementia is to eat a balanced diet, exercise regularly and maintain a healthy weight."
© 2014 - Distributed by THE NEWS CONSORTIUM
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