Recent research published in the online open journal BMC Genomics shows that smoking leads to changes in gene expression, some of which are reversible and some of which are permanent. Genes that are irreversibly changed may help to explain why former smokers, even after 10 years of not smoking, are still more susceptible to lung cancer than those who have never smoked.
Smoking Cessation Timeline: What Happens When You Quit
August 30, 2007 | by
In the U.S., one-quarter of adults 18 years of age and older smoke cigarettes [1]. Smoking is truly a deadly habit. With about 4000 known chemicals in tobacco smoke, more than 50 of them are known to cause cancer. According to the World Health Organization, every six seconds someone in the world dies from tobacco use [2].
How’s this for bad odds: tobacco kills 50% of its regular users. One out of every two regular smokers will die from smoking [2].
In addition, an estimated 200,000 people die every year due to second-hand smoke exposure at work. The United States Environmental Protection Agency estimates that second-hand smoke is responsible for approximately 3000 lung cancer deaths annually among non-smokers [2]. Additionally, new research has linked second-hand smoke exposure to psychological problems in children, including attention deficit disorder (ADHD) and conduct disorder.
The best time to quit smoking is RIGHT NOW. And while quitting is tough, you can start counting the benefits of not smoking in as little as 20 minutes. Here’s what happens to your body when you quit smoking [3-5]:
