why is smokeless tobacco bad Harmful Effects Of Chewing Tobacco's Impact on Your Smile:

Green, superintendent of the Georgia State Lunatic Asylum, reported in 1860 that The practice of snuff dipping or of rubbing, is by far the most objectionable mode of using tobacco and more certain than any other to interfere, promptly and seriously with a healthy state of the nervous system, and disorder the functions of the most important organs

However, along with it, you also get an unhealthy dose of these toxins

What to Look For: A persistent foul odor from the mouth

Estate pipes represent such an opportunity

doi:10.1371/journal.pone.0043838

At universities in Sanaa and Taiz, alAbsi has begun studying khat users and hopes to ultimately recruit 150 participants