A report from the BBC:
Brain function can start declining 'as early as age 45'
5 January 2012
Last updated at 20:08 ET
"The brain's ability to function can start to deteriorate as early as 45, suggests a study in the British Medical Journal.
"University College London researchers found a 3.6% decline in mental reasoning in women and men aged 45-49.
"They assessed the memory, vocabulary and comprehension skills of 7,000 men and women aged 45 to 70 over 10 years."
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Related report from the CBC:
Brain may start decline at age 45
Cognitive function may begin deteriorating earlier than previously believed
Posted: Jan 5, 2012 6:45 PM ET Last Updated: Jan 6, 2012 7:14 AM ET
"Memory, reasoning and comprehension skills can start to decline at age 45, research published Thursday suggests.
"The findings go against previous research that had found cognitive decline starts after age 60 — and highlight the importance of a healthy lifestyle in protecting the brain from dementia, researchers say."
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