• Your resting heart rate and blood pressure begin to decrease
• Body temperature of hands and feet return to normal

Breath becomes fresher

• Levels of the toxic gas carbon monoxide in blood drops to normal
• Oxygen level in blood increases to normal
• Your fingertips feel warmer

• Almost all of the nicotine is out of your system 
• Excess carbon monoxide has left your blood

Chance of heart attack begins to decrease

• Nerve endings start to regrow
• Ability to smell and taste is enhanced
• You will notice your hair and clothes smell fresher as your sense of smell and taste improves

• Most nicotine by-products have left your body
• Liver and kidneys work more efficiently

The lungs' natural cleaning system starts to heal and become better at eliminating tobacco toxins

• Circulation improves
• Lung function increases up to 30%

• The tobacco stains on your fingers begin to fade
• Skin appearance begins to improve

• Less shortness of breath 
• Body's overall energy increases
• Lungs produce less mucus and function more efficiently
• Immune system is better at fighting off colds and flu
• You are likely to be experiencing less coughing

Excess risk of coronary heart disease is half that of someone who smokes

Stroke risk is reduced to that of a non-smoker (happens 5-15 years after quitting)

• Lung cancer risk decreases by almost half
• Risk of other cancers decrease

Risk of coronary heart disease almost the same as that of someone who does not smoke.