Blood circulation improves within 4 to 12 weeks of stopping smoking, which makes physical activity a lot easier and lowers your risk of a heart attack.
Improved taste and smell
Smoking damages nerve endings in your nose and mouth, dulling your senses of taste and smell. Within just 48 hours of quitting, the nerve endings begin to grow, and your sense of taste and smell begin to improve.
Boosts your energy
Along with better breathing and physical activity, the amplified oxygen in your body will also give you additional energy.
A boost to your immune system
Improved circulation, increases oxygen levels, and lowers inflammation — all of which give your immune system a boost, so it’s easier to fight off colds and other illnesses.