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).
Secondhand smoke contains many of the same harmful chemicals that people inhale when they smoke. Secondhand smoke can damage the hearts and blood vessels of people who don't smoke in the same way that active smoking harms people who do smoke. Secondhand smoke greatly increases adults' risk of heart attack and death.