Here's a handy guide to what happens when you quit smoking. Of course, it is up to every individual to decide what they want to do. Freedom, and all of that. So don't take it as an attack, but if you are trying to quit, maybe save this as a handy reminder to keep you motivated. After all, within just 20 minutes, your heart rate and blood pressure go down. Within 12 hours, the carbon monoxide levels in your body go back to normal.
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