Scientists pinpoint crucial period of life for exercise that slashes brain decline risk by 45%
Adults who remain inactive show signs of shrinkage in parts of the brain typically affected by Alzheimer's, scientists have warned
Dementia
Dementia: Over 65s can stave off cognitive decline with a hobby that 'preserves mental sharpness'
Socialising supports executive functions such as memory, attention, problem-solving, and decision-making
Dementia: Quitting smoking by age 40 could halve decline in verbal fluency
Those who stop smoking may have much slower rates of cognitive decline, new findings have revealed
