Health Effects of Smoking – How Smoking Affects the Body?

According to World Health Organization (WHO), there are about 1.1 billion smokers in the world, 800 million are in the developing world (nearly three times as many as in developed countries). Everyday, over thousand of people around the world are dying from disease cause by smoking. This makes clear that smoking is one of the main causes of death. Tobacco smoke contains a substance called nicotine,...