Smoking, and its harmful substances such as nicotine, can harm almost every part of the body, including the brain. It can also lead to other brain conditions, such as cancer, dementia, and stroke.

Formaldehyde, a toxin and carcinogen found in construction materials, carpets, car exhaust, cigarette smoke and even permanent press clothing, turns out to play an important role in the body — one ...

Formaldehyde is common in many industries and products. Exposure to unsafe quantities can cause severe symptoms and may even lead to death. Formaldehyde is a highly flammable and toxic gas. It has a ...

Add Yahoo as a preferred source to see more of our stories on Google. EPA warns toxic chemical found ‘nearly everywhere’ presents an unreasonable risk of injury Using formaldehyde, a common chemical ...

Formaldehyde's toxicity was presumed to derive from its ability to crosslink DNA, but that happens only at huge doses. Recent discoveries that formaldehyde is found in the body in small amounts led a ...