• A review of studies by physicians found that excessive exercise is bad for your heart. Another study says a daily serving of chocolate is actually good for your heart. That's got to make next year New Year's resolution easier to keep. "I'm going to exercise less. Eat a little more chocolate.

    Jay Leno: A review of studies by physicians found that excessive exercise is bad for your heart. Another study says a daily serving of chocolate is actually good for your heart. That's got to make next year New Year's resolution easier to keep. "I'm going to exercise less. Eat a little more chocolate.