HEART

Matters of the heart have baffled humans since the dawn of time, with sonnets and entire books devoted to the meaning of love. Now scientists are finding that the blood pump in your chest is just as complex. You can't live or love without it. Find out the sappy scoop on the heart, including how sex and laughter are indeed good for it, and how bad news really can break it.

Three years after a person quits smoking, there chance of having a heart attack is the same as someone who has never smoked before. =D

p/s: Women hearts beat faster than men. so?