Metabolic syndromes commonly seen in tobacco chewers ?

Which are the Metabolic syndromes commonly seen in tobacco chewers ? Can anyone also suggests few sites from i can get info on the above topic,thanks.

cancer

the person may be infected with mouth cancers,
you might see a metabolic acidosis
Chewing tobacco is likely to have a toxicity mechanism which metabolises carcinogenic agents. Chewing tobacco is related to periodontal disease and mouth cancers.
check this:

http://www.nida.nih.gov/infofacts/tobacc...
www.nida.nih.gov
I'll tell you what chewing tobacco does. All the cancers that most have mentioned plus one very important fact.
Your teeth will become badly stained and your gums will recede. DON'T DO IT MAN. Ever see the warnings on the package!!!