Although smoking is the main contributor to causing lung cancer, and giving-up the habit is an important factor in the prevention of it. There are still some other preventative measures that a person can be take. 1. Smoking in the leading cause of lung cancer, as it is responsible for between 80% and 90% of all diagnosed lung cancer cases. However, it is never to late to give-up smoking, as the benefits to the body are almost immediate. Within the first 30 minutes of smoking the last cigarette, the blood pressure lowers itself to a normal level again, together with the carbon monoxide in the lungs. After three months, the bodies circulation also returns to that of a non-smoker. After ten years, the risk of developing lung cancer is reduced by about 50%, and after a further five years, the risk of a heart attack also reduces to that of a non-smoker. 2. Second-hand smoke is the cause of over 3000 new cases of lung cancer every year in the USA alone. Although new anti-smok...
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