12 Reasons to Really Quit Smoking - MSN Health & Fitness - Quit Smoking.
Three quarters of today's smokers trying to shed the habit are heavily hooked on nicotine, up 32 percent from almost two decades ago, according to research presented at the American College of Chest Physicians' annual meeting last October. So quitting, for most, is not merely a matter of willpower. Nonetheless, the reasons to do so keep amassing—and they're not all about heart disease, lung cancer, or respiratory problems. Here's a few downsides you might not have considered.
