3 harmful substances found in cigarettes Chemicals and Tobacco: What's Burning? How does smoking cause cancer?
Description
doi:10.1136/bmj.310.6976.396

PMC 2817714

The reduced strain on your cardiovascular system and improved oxygen levels significantly lower your risk of suffering a heart attack
THC is whats responsible for the high most people feel when they use marijuana

The amount that produces an overdose is determined by factors, such as your body weight and the source of nicotine
