Research on hair samples reveal a long use of nicotine smoked by ancient people of Chile.

Safer drugs and better monitoring have reduced anesthesia risks.

People who quit smoking may gain some weight but their hearts still benefit.

Death rates from mouth and throat cancer vary depending on education level and whether the cancer is caused by HPV.

The speed at which our body breaks down polycyclic aromatic hydrocarbons, present in all cigarettes, sheds light on how quickly DNA damage can occur.

The findings might help persuade smokers to quit.

A growing, aging population and unhealthy lifestyles account for projections of a near-doubling of cancer cases.

Smoking increases the risk that women will suffer from a debilitating disorder called peripheral artery disease.