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Smoking Gene May Reveal Why Some People Smoke More
A "smoking gun" gene may play a role in how many cigarettes certain smokers puff each day.
A "smoking gun" gene may play a role in how many cigarettes certain smokers puff each day.
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How to Quit Smoking
Want to quit smoking? You're not alone. Each year, more and more people choose to quit smoking cigarettes.
Within hours of stopping cigarettes, your body starts to recover from the effects of nicotine and additives. Blood pressure, heart rate, and body temperature -- all of which are elevated because of the nicotine in cigarettes -- return to healthier levels. Your lung capacity increases and the bronchial tubes relax, making breathing easier. Poisonous carbon monoxide in your blood decreases, allowing the blood to carry more oxygen.

