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Effects of Smoking
By Wayne Cooper
There is a lot of talk about the health hazards of smoking. But for all the talk out there, it isn't always
easy to find details. So what exactly are the effects of smoking? And what causes them?
The effects of smoking vary dramatically, depending on whether a smoker prefers cigarettes or cigars.
Effects of Smoking Cigarettes
The effects of smoking cigarettes are the most well known effects of smoking, partly because
cigarettes are the most popular form of tobacco, and partly because of the horrifying diseases that can
result.
Effects of Smoking on the Lungs
Damage to the lungs is caused primarily by cigarette smoke. Cigar smoke is not supposed to be
inhaled, and so should not reach the lungs. Cigarette smoke contains tar. That tar gets into the lungs
and clogs the alveoli, the tiny pockets in the lungs that take in oxygen and release carbon dioxide. This
is what causes the immediate effects of difficulty in breathing and coughing. Over time, the tar can
cause further damage to the lung tissue, causing cancer, emphysema, or other fatal illness.
Effects of Smoking on the Heart and Circulatory System
Damage to the heart is a secondary effect of smoking. This means that smoking does not damage the
heart directly, but that another effect of smoking causes damage to the heart: specifically, the damage
to the lungs. When the alveoli are blocked by tar, and oxygen can't enter the blood freely, the heart
needs to work harder to get enough oxygen throughout the body. It is very simil