When you quit smoking and no longer inhale the 4,800 toxic substances found in cigarettes, you experience enormous positive changes in your health, fitness, and risks of heart disease and cancer.

11. After 12 months

11. After 12 months
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The risk of cardiovascular disease is halved.

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12. After 5 years

12. After 5 years
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The risk of stomach, mouth, throat, esophageal, and lung cancer is halved.

13. After 5 to 10 years

13. After 5 to 10 years
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Depending on how much you have smoked, within this period, the risk of cardiovascular diseases, heart attack, and stroke reaches the same level as that of nonsmokers.

When you quit smoking and no longer inhale the 4,800 toxic substances found in cigarettes, you experience enormous positive changes in your health, fitness, and risks of heart disease and cancer.

14. After 10 years

14. After 10 years
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Cell and tissue that were precancerous have largely been replaced.

The risk of lung cancer continues to drop.

The risk of cancer of the mouth, throat, esophagus, bladder, and kidneys continues to drop.

15. After 15 years

15. After 15 years
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Your risk of cancer is the same as that of a nonsmoker.

This article originally appeared on RD.com.

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