Smoking
obesity
Tobacco use is the single leading preventable cause of death in the US.
Cigarette smoking is the single most preventable cause of death in the United States.
well death can be preventable if you mean like staying out of the streets and being safe, but eventually as you continue aging you will die.
Canada, like all other countries, has many preventable causes of death. To name one, there is the issue of not wearing your seat belts.
smoking
You can, but it might cause even more damage to your lungs. Smoking is the number 1 leading preventable cause of death in America. My advice to you would be to stop smoking while you have the chance.
Smoking
Accidents, Homicide, Suicide.
Heart disease
Because all life must die, only death by certain illnesses is preventable.