osteoporosis

Osteoporosis

In osteoporosis, the inside of the bones becomes porous and thin. Over time this weakens the bones and may make them more likely to break. Osteoporosis is much more common in women then in men.

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marijuana

Marijuana

Like tobacco, marijuana contains many chemicals that can hurt the lungs and cause cancer. One marijuana cigarette can cause more damage to the lungs than many tobacco cigarettes, because marijuana has more tar in it and is usually smoked without

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