Brain function can start declining ‘as early as age 45’ (BBC Health):
“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.
The Alzheimer’s Society said research was needed into how changes in the brain could help dementia diagnoses. [Read more…] about Research: Brain function can start declining as early as age 45