After 20 minutes your blood pressure and pulse return to normal.
After 24 hours your lungs start to clear.
After two days your body is nicotine-free and your sense of taste and smell improve.
After three days you can breathe more easily, and your energy increases.
After two to 12 weeks, your circulation improves.
After three to nine months coughs, wheezing and breathing improves.
After one year your heart attack risk is half that of a smoker.
After 10 years your lung cancer risk is half that of a smoker.