Could Stress in Middle Age Harm Memory?
By Amy Norton
Middle-aged people with higher-than-average levels of the "stress" hormone cortisol may have fuzzier memories, a new study suggests.
The study, of more than 2,000 adults, found those with relatively high cortisol levels in their blood tended to perform worse on memory tests.
They also showed less tissue volume in certain areas of the brain, versus people with average cortisol levels.