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Smoking Cessation Health Center

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Breaking the Habit

You may be surprised by some of the benefits from quitting smoking – and how fast they arrive.
WebMD Feature

Almost 70% of adult smokers say they want to quit; the most common reason given is concern about their health.

The concern is well justified. The four leading causes of death in the U.S. -- cardiovascular disease, stroke, cancer, and lung disease -- are all strongly linked to cigarette smoke exposure. One out of every five deaths in the U.S. can be attributed to smoking.

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The dangers get worse with age. People still smoking in their 40s and 50s face a risk of death over the next 10 years three to four times greater than a nonsmoker's.

But gaining extra years are not the only reward for quitting. Other benefits begin immediately, according to the American Cancer Society, and they just keep coming.

Healthier Life

Within 20 minutes of snuffing out your last cigarette, your blood pressure and heart rate decline.

Within 12 hours, the level of poisonous carbon monoxide in your body from cigarettes has returned to normal.

Over the next few months, your lungs will regain their ability to remove pollutants efficiently, thereby reducing your risk of infection. Your ability to taste and smell will improve, and that chronic sinus congestion should disappear.

By the first anniversary of your last cigarette, your risk of heart disease should be about half of a smoker's. (By your 15th anniversary, it should be about the same as the risk for someone who never smoked.)

And within a decade, your risk of dying from lung cancer will have dropped by half. It will never drop as low as the risk faced by those who have never smoked, but it will come pretty close.

Stop Smelling

Another benefit of quitting also begins immediately, says Norman Edelman, MD, chief medical officer of the American Lung Association. "As soon as you take a shower and change your clothes, you stop smelling," he tells WebMD.

"You may cough more, but that shouldn't be a concern because it means you're clearing the gunk out of your lungs and opening your airways," says Edelman. "In a few weeks you should begin to notice an increase in your exercise tolerance."

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