The good news is that smokers can quit. In many cases, the damage done by tobacco can be reversed. Within minutes of smoking that last cigarette, the body begins to repair itself. Blood pressure and pulse rate will begin to drop to normal. Body temperature increases to normal.
Food begins to taste and smell better.
Coughing, congestion, tiredness, and shortness of breath decrease. Walking becomes easier and smoker's cough will be fading away. The body's overall energy will increase. Chance of dying from lung cancer for the average former smoker decreases by almost half. Chance of dying from lung cancer is about the same as that of a non-smoker.