Women's brains are four years younger than men's
MEN'S brains are nearly four years "older" than those of females the same age, explaining why women stay sharper for longer in old age, according to the latest research.
All brains get smaller with age, and it was already known that men's tend to shrink at a faster rate. However, the research focused on metabolic processes that have a major influence on brain performance and ageing.
The US team looked at positron -emission tomography (PET) brain scan images from 205 men and women ran...