February 26, 2009 3:08 pm Economic Stress Can Hurt Your Heart While the stock market, our investments, and home values decline, our stress levels have been rising: and that can take a toll on our hearts. US & World Videos 2:44 Elementary school student killed in house fire in Middlefield: school officials 2:08 Jennifer Lopez stuns at first red carpet after Ben Affleck split 1:17 Searchers recover bodies of both men missing since boat crash off Old Saybrook 0:58 Rare 1787 copy of US Constitution is up for auction and it could be worth millions 0:52 What is the Guardian Cap on football helmets?