Some "trivia" (from USA) on the habit:
- Cigarette smoke contains over 4,800 chemicals, 69 of which are known to cause cancer.
Quitting smoking cuts the risk of lung cancer, many other cancers, heart disease, stroke, other lung diseases, and other respiratory illnesses. Smoking is responsible for approximately 90 percent of lung cancer deaths.
Among infants to 18 months of age, secondhand smoke is associated with 300,000 cases of bronchitis and pneumonia each year.
- Secondhand smoke is classified by the EPA as a known human carcinogen.
- Smoking is a major factor in coronary heart disease and stroke.
- When inhaled in cigarette smoke nicotine reaches the brain faster than drugs that enter the body intravenously.
- If both parents smoke, a teenager is more than twice as likely to smoke than a child whose parents are both non-smokers.
- Pregnant women who smoke are more likely to deliver underweight babies.
- Smokers are likely to die on average six and a half years earlier than non-smokers.
- People that smoke have 10 times as many wrinkles as a person that does not smoke.
- Three years after a person quits smoking, their chance of having a heart attack falls substantially.
- The average person who stops smoking requires one hour less sleep a night.
- More than 400,000 deaths in the U.S. each year are from smoking-related illnesses.