Within the first 20 minutes your heart rate and blood pressure will drop.
Carbon monoxide and nicotine will be eliminated from your body.
Your ability to taste and smell improves.
Your breathing becomes easier and your energy levels will improve.
Your appearance improves and your skin loses its greyish pallor.
Coughs and breathing problems improve as your lung function is increased by up to 10%
Your risk of coronary heart disease is cut in half.
Your risk of cancer of the throat, oesophagus and bladder are cut in half.
Your risk of lung cancer falls to around half of that of a smoker.
Your risk of heart attack falls to the same as someone who has never smoked.