what is smoking?
smoking is something very bad cause when you smoke you will die. Also there is substance called tobacco.It could cause bad things.
how does it affect our body?
Although cigarette smoking alone increases your risk of coronary heart disease, it greatly increases risk to your whole cardiovascular system. Smoking also increases the risk of recurrent coronary heart disease after bypass surgery.
Yes,smoking could cause cancer. It could cause a heart disease,lung cancer and brain disease. That could cause a risk to die!