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Smoking Most people know that smoking is bad for your lungs and causes cancer. But few are aware of the effects of smoking on their heart. When you smoke, toxic chemicals from tobacco enter your blood stream. These chemicals send signals to your heart to beat harder and faster, causing blood vessels to constrict and forcing blood to travel through a smaller space. Both of the effects cause high blood pressure. A recent article in the Journal of the American Medical Association suggested that the benefits of quitting smoking are enormous, particularly lowering the risk of heart disease by almost 50%. Besides causing lung cancer, it has been linked to bladder and prostate cancer. Stopping will improve your stamina and sense of taste and smell. Smoking also increases the risk of stroke, and women who smoke and use oral contraceptives are at a much higher risk of having a stroke than...

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