Smoking and Lung Cancer - Risks That You Should Know

You've heard the warnings, and you know thesuggest that once a person stops smoking, the body
equation: Cigarette Smoking = Lung Cancer. But nowbegins healing process and the chance of cancer
there is a new addition to that equation. It seems thatdiseases. Even if you've smoked for over twenty
your lungs are no longer the only thing at risk. Cigaretteyears, your body can start healing if you quit smoking.
smoking also can increase your risk of both leukemiaThere is a new study that tells more about smoking
and cancer of the bone marrow. Once you startand cancer. It's been suspected for years that it's the
smoking, it takes very little tome for the body to needhigh-tar, high nicotine content in cigarettes smoke that
nicotine. A single puff of a cigarette sends a messagecauses most of the damage to smoker's lungs. Tar is
to the brain to release serotonin and dopamine, andthe main carcinogenic agent in cigarette smoke. Lung
within eight seconds of smoking, the brain feels thecancer risk rises in a direct line with tar content in
effects.cigarette smoke. In other words, the higher the tar level
Herein lies the problem. Since serotonin makes youof the cigarette, the greater risk of getting lung cancer.
feel good, makes you feel less hungry, and generallyResearch says that when the average male smokes
gives you an overall sense of pleasure, each puff ofa cigarette, the smoke he inhales contains 13.8
nicotine basically rewards you. When you don't smoke,milligrams of tar. The average woman smoker puffs a
your body craves the sensation that it has known andcigarette that delivers to her lungs 11.8 milligrams of tar.
soon you are lighting up to reward the memory.At that level of tar intake, a 10-cigarette a day smoker
Beyond this, the body becomes physically addicted towould be about five times more likely to develop
nicotine. As with lung cancer, your risk of getting blooddeadly lung cancer than a nonsmoker. Cigarette
or bone cancer increases with the number ofsmoking blamed for 85 percent and counting, of lung
cigarettes you smoke daily and the length of timecancer cases in men and for 75 percent of such
you've been smoking. The more you smoke and thecases in women, note that these numbers are
longer you've been smoking, the greater your risk.increasing every year. Smoking has been called the
However, there is some good news. Some studiesnumber one reversible cause of death in the world.