Cortisol can inhibit brain cells - MSNBC (article link)

Researchers speculate that their more resilient brains may be due to lower levels of cortisol — studies show that oversecretion of this "stress hormone" can inhibit brain cells' communication. Science-backed ways to cut cortisol levels: Meditate, sip black tea, or take a nap.

stress and stress management

12 surprising signs you’ll live to 100

http://www.msnbc.msn.com/id/32272813/ns/health-aging/