But what if you’re bald?  I guess this is a good argument against shaving one’s head?  Or is it?

Your hair can reveal stress to predict heart attacks

September 8th, 2010

Cortisol,the main steroid hormone associated with the stress response system, is researched quite extensively. Blood tests reveal heart-attack-proneness from too much cortisol circulating through veins of the chronically stressed even during calm times. Social scientists enthusiastically test saliva for cortisol levels to link psychosocial factors like perfectionism and shame to stress see the WBI Research Library articles. But the latest way to detect cortisol levels that can predict coronary artery disease CAD comes from Canadian researchers — your Hair!

Read More: Your hair can reveal stress to predict heart attacks.