Smoking tobacco is so harmful to the body that it changes a person's immune system, leaving them vulnerable to more disease and infection even years after they've quit, a new study found.Video above: ...

Well, this is hair-raising. The serious risks of smoking tobacco are well-established — they include: cancer, heart disease, stroke, lung diseases, diabetes and accelerated aging of the skin. But here ...

Tobacco leaves traces in the bones of smokers lasting not only throughout their lives but for centuries after their deaths, research by archaeologists has revealed. Researchers from the University of ...