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What happens to my body after 8 hours of not smoking?

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By the end of a work day, you have half the amount of nicotine and carbon monoxide in your blood. Why does that matter? Carbon monoxide is a chemical in cigarettes that crowds out oxygen in your blood. This causes problems for your muscles and your brain because they don’t get the oxygen they need. As the chemical’s levels drop, your oxygen gets back to normal.

SOURCES:

Smokefree.gov: “Create My Quit Plan,” “How to Manage Cravings.”

Cleveland Clinic: “Smoking Cessation,” “Smoking.”

England Department of Health, Smokefree NHS: “What Happens When You Quit?”

Poison Control: “Another Reason Not to Smoke.”

American Cancer Society: “Why is it so hard to quit smoking?” “Benefits of quitting smoking over time.”

CDC: “Within 20 Minutes of Quitting,” “Smoking and Cardiovascular Disease.”

British Heart Foundation: “Smoking.”

Asthma UK: “Quit smoking to manage your asthma better.”

American Heart Association: “Smoke-free Living: Benefits and Milestones.”

Reviewed by Carol DerSarkissian on August 9, 2018

SOURCES:

Smokefree.gov: “Create My Quit Plan,” “How to Manage Cravings.”

Cleveland Clinic: “Smoking Cessation,” “Smoking.”

England Department of Health, Smokefree NHS: “What Happens When You Quit?”

Poison Control: “Another Reason Not to Smoke.”

American Cancer Society: “Why is it so hard to quit smoking?” “Benefits of quitting smoking over time.”

CDC: “Within 20 Minutes of Quitting,” “Smoking and Cardiovascular Disease.”

British Heart Foundation: “Smoking.”

Asthma UK: “Quit smoking to manage your asthma better.”

American Heart Association: “Smoke-free Living: Benefits and Milestones.”

Reviewed by Carol DerSarkissian on August 9, 2018

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How do I get through cravings when I stop smoking?

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