Ontario is also the nationâs wealthiest province, having a substantial share of the countryâs natural resources and its most mature and diversified industrial economy. It is at once Canadaâs economic pacemaker and a major force in national politics.
Mouth, Gums and Throat â Tobacco use can cause bad breath, tooth decay, cavities, stained teeth and gum disease. There is also a risk of getting cancer in the mouth, gums and throat, especially among smokeless tobacco users (who chew or suck on tobacco) and cigar smokers (who often hold the smoke in their mouth).
1 Smokeless tobacco contains 28 cancer-causing agents (carcinogens) or known causes of human cancer.3.  Smokeless tobacco use has been linked to gum disease, tooth decay and tooth loss as well as the formation of white or gray patches inside the mouth called leukoplakia that can lead to cancer.3.