Pulmonologist Dr. Ravi Kalhan answers the internet’s burning questions about our lungs. What happens to your lungs if you vape? How do our lungs know the difference between oxygen and carbon dioxide? How much snot can your lungs hold? Does lung cancer only happen because of smoking? Dr. Kalhan answers all these questions and much more!
[Wired]
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For today’s edition of “Deal of the Day,” here are some of the best deals…