Smoking has been tied to health issues of all types. Now, smokers might have another reason to kick the habit — oral human papillomavirus (HPV).

The Epstein-Barr virus can cause a throat cancer that’s rare in this country, but more common in Asia. Another cause of this throat cancer is smoking, which seems to have a profound impact on survival.

The human body is a wonderland of complex chemical reactions that both cause and ward off disease. Alcohol can throw the body out of sorts if the system doesn’t work just right.

Dipping or using chew may not cause lung cancer, but oral cancer is still a big risk. Smokeless tobacco products have nitrosamines , which can cause cancer at high levels.