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Save your lungs: Stop smoking

Find out the amazing ways your body heals after you quit smoking.

Reviewed 11/13/2025

Sources

American College of Chest Physicians. "Managing Your COPD: Myths Busted." https://www.chestnet.org/guidelines-and-topic-collections/topic-collections/-/media/F763FF6822EC4754ACC8C137EDA9C291.ashx.
American College of Chest Physicians. "What is COPD?" https://www.chestnet.org/guidelines-and-topic-collections/topic-collections/-/media/B2DB994EDEBE4BA9AC55AD303375232B.ashx.
American College of Chest Physicians. "World Lung Cancer Day Fact Sheet." https://www.chestnet.org/newsroom/chest-news/2021/07/world-lung-cancer-day-fact-sheet.