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Tobacco smoke kills over 37,000 people in Canada each year. That's more than the total of all murders, alcohol-related deaths, car accidents and suicides.
Tobacco smoke is made up mainly of tar (which builds up in your lungs), nicotine and carbon monoxide. It also contains other poisonous substances like cyanide, formaldehyde and ammonia.
Tobacco use kills approximately one half of all lifetime users. About 70 million people died due to tobacco between 1950 and 2000.
Smoking hurts young people's physical fitness in terms of both performance and endurance -- even among young people trained in competitive running.
In adults, cigarette smoking causes heart disease and stroke. Early signs of these diseases can be found in adolescents who smoke.
According to the US Center for Disease Control, high school seniors who are regular smokers and began smoking by grade nine are more than twice as likely than their non-smoking peers to report poorer overall health, cough with phlegm or blood,
Young women who smoke and are taking birth control pills increase their chances for serious heart disease, stroke and high blood pressure.
# The resting heart rates of young adult smokers are two to three beats per minute faster than non-smokers. # Smoking at an early age increases the risk of lung cancer.
