Blood pressure and pulse rate begin to return to normal. Circulation to hands and feet improves. Fibres in the bronchial tubes (cilia) begin to move again, removing irrants and bacteria from the lungs.
Carbon monoxide level in the blood drops to normal. Oxygen level in the blood increases to normal.
Risk if heart attack decreases.
Nerve endings begin to regrow. Ability to smell and taste is enhanced.
Bronchial tubes relax, making breathing easier. Lung capacity starts increasing.
Circulation improves. Walking becomes easier. Lung capacity starts increasing.
Coughing, sinus congestion, fatigue and shortness of breath decrease. Cilia regrow in the lungs, increasing the ability to handle mucus, clean lungs and reduce infection. Body's overall energy level increases.
Risk of dying of a heart attack decreases to that of a non-smoker.
Risk of dying of lung cancer decreases to that of a non-smoker. Pre-cancerous cells are replaced with healthy cells. Other cancer occurances, such as those of the mouth, larynx, oesphagus, bladder, kidney and pancreas, decrease. (There are at least 30 chemicals in tobacco smoke that cause cancer.)