The timeline for seeing the benefits of quitting smoking is faster than most people realize. Health benefits begin as little as an hour after the last cigarette and continue improving.

Quit-Smoking Timeline. Hide Video Transcript . Video Transcript . SPEAKER. Thinking about quitting smoking? Did you know the benefits of quitting start just hours after your last cigarette?

The first 2 weeks are the worst -- most people gain about 5 to 10 pounds as they try to quit smoking. Remember that the benefits of quitting smoking are greater than the risk of adding a few pounds.

But it’s not impossible to quit. The benefits of quitting smoking are nearly endless. In just 12 hours after the last cigarette is smoked, carbon monoxide levels drop dramatically.

Smoking leads to cancer. That's known. But what new research shows is quitting smoking soon after a diagnosis helps patients survive and live years longer.

There are a thousand reasons to quit smoking, and if it's your New Year's resolution, you're on your way to better health. And also better sleep. Nicotine creates a state of alertness in your body ...

Smokers are 22% to 26% less likely to die if they quit following a cancer diagnosis, researchers found.. The best outcomes occurred in patients who quit within six months of their cancer diagnosis ...

“Quitting smoking and/or vaping is the single best thing you can do to prevent heart and lung disease,” said Dr. Edward Simmer, DPH director in a prepared statement.