tobacco smoke
Here's why parents shouldn't expose kids to cigarette smoke
Preventing exposure to tobacco smoke during pregnancy and postnatally may reduce the risk of hearing problems in children.
Tobacco smoke impairs brain's ability to repress fear
According to new study tobacco contains chemicals which interfere with messages between neurons in brain that control fear.
Less toxic cigarette may soon be a reality
Gene that helps reduce nitro-based fertilizers could also help reduce levels of carcinogens in cigarette.
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