![](https://www.psypost.org/wp-content/uploads/2024/07/stressed-older-woman.jpg)
How stress can erode your brain’s ability to fight dementia
Some people have the biological hallmarks of Alzheimer’s – proteins called amyloid and tau that gum up the brain – but have no disease symptoms. Researchers suggest that this could be because some people build up a “cognitive reserve” – the brain’s ability …