Smoking not only causes cancer, it may also accelerate the growth of existing cancers. Nicotine in cigarette smoke could stimulate the production of a molecule which can make lung cancer cells more aggressive and encourages them to carve up and nurture. Smoking may boost the growth of existing tumors as well as triggering cancer.
 
Smoking causes cancer. Everyone knows that lung cancer is one of the most devastating side effects of smoking. However, what is less known is that it puts smokers at risk of many other types of cancers as well, for example, mouth cancer, cancer of the larynx (voice box), bladder, pancreas and cervix among several others.

Smoking dramatically raises the risk of lung disease such as emphysema and chronic bronchitis. These diseases are also known as COPD (chronic obstructive pulmonary disease). They are progressive in nature and can eventually be life threatening. The likelihood of smokers dying from heart attacks is twice that of non-smokers. It causes peripheral vascular disease, where blood vessels that carry blood to the leg and arm muscles are constricted. If you are thirty and a chain smoker, then it should be no surprise that you have premature wrinkles. Moreover, smoking also makes your breath and clothes smell bad, and give you yellow fingernails.

Women smokers are at a higher risk of having a miscarriage or a baby with lower birth weight. Women over 35, who take the ‘pill’ risk heart attack, stroke and blood clots in the legs. During the early stages of withdrawal, time seems to drag endlessly. One may experience an unbearable craving to grab a cigarette. During such an episode, it helps to take a look at the clock and actually time the duration of the ‘attack’. It will likely last no longer that 3 minutes, although it may seem endless – this helps to gain perspective. Nicotine is a powerful stimulant. Our body needs time and a great deal of effort to learn to live without it.

Other common symptoms of physical withdrawal are tightness in the chest, slight sore throat, coughing with mucus, bad breath and headaches. Prostate cancer carried the most increased risk for metastatic disease, while head and neck, prostate and breast cancers were all more likely to be associated with regional disease among smokers.

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