Hearing improves and sharpens.
Teeth are brighter, mouth is less stained and mouth health improves.
Vision is restored and night vision improved.
Skin is blemish-free, collagen increases and ageing slows to a normal rate.
Risk of getting diabetes decreases and belly fat reduces. For those with diabetes, blood sugar control improves.
Oestrogen levels return to normal.
For men, lower your chances of erectile dysfunction.
White blood cells
Healthy cells can protect the entire body, as they no longer have to fight inflammation caused by tobacco.
Increased healing ability
Wounds heal more quickly as blood flow improves, delivering oxygen and nutrients.
Immune system repairs itself and protects itself against future illness.
Reduced cancer risk
Damage to DNA stops, already damaged DNA has a chance to repair itself.
Damage and scarring of lungs stop. After two weeks, breathing and exercise is easier.
Damage to air sacs stops and risk of developing emphysema decreases.
Cilia regrow, regain their ability to clear foreign particles and defend body against illness.
Immediately after quitting, blood pressure and heart rate lower. Within 24 hours, risk of heart attack decreases. After 15 years, risk of heart disease is the same as someone who has never smoked.
Blood thins, is less likely to form clots, and is easier for heart to pump around body.
Cholesterol levels are lowered, and fat deposits in the arteries are slowed.
Muscles will become stronger as the oxygen in blood increases.
Bones are stronger and your risk of fractures or breaks decreases.
Quitting early in pregnancy gives your baby a better start to life.
Increases the oxygen level in your blood which is important for healthy growth of your baby.
Cigarettes contain more than 7000 chemicals such as hydrogen, cyanide and carbon monoxide. When you quit, your body starts to get rid of these chemicals immediately which is good for both you and baby.
Improved blood flow to your placenta allows for more nutrients to reach baby.
Toxic chemicals found in cigarette smoke are not passed onto your baby through your breast milk.