20 minutes after quitting, your blood pressure starts to lower 8 hours after quitting, the level of carbon monoxide (a dangerous chemical) in your blood drops to a normal level 24 hours after quitting, your risk of having a heart attack begins to decline 2 weeks to 3 months after quitting, the airways in your lungs relax and breathing becomes easier 1 to 9 months after quitting, your lungs are stronger and you cough less 1 year after quitting, your risk of coronary heart disease drops to half of that of a smoker 5 years after quitting, your risk of having a stroke drops to that of a non-smoker 10 years after quitting, your risk of dying from lung cancer is much lower, and your risk of getting cancer of the mouth, throat, esophagus, bladder, kidney, or pancreas decreases 15 years after quitting, your risk of coronary heart disease is as low as that of a non-smoker The bottom line Is it time for you to think about becoming a non-smoker for your health and the health of your family and friends
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Dec 22, 2025 Hungary printed the highest denomination note ever
Both are research affiliate members of the Thirdhand Smoke Research Consortium
