In 20 minutes:
Your blood pressure will return to normal.
In 8 hours:
The carbon monoxide (toxic gas) levels in your blood stream will drop by half, and oxygen levels will return to normal.
In 48 hours:
Your chance of having a heart attack will begin its long decline. All nicotine will have left your body. Your sense of taste and smell will return to a normal level.
In 2 weeks:
Your circulation will increase, and it will continue to improve for the next 10 weeks.
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