Why do some people stay mentally sharp even when their brains show clear signs of Alzheimer’s disease? Scientists have found an important clue hidden in a rare group of resilient brains

<img border="0" hspace="10" align="left" style="margin-top:3px;margin-right:5px;" src="https://timesofindia.indiatimes.com/photo/135297593.cms" />Recent research from the Netherlands Institute for Neuroscience has revealed intriguing findin