A member asked:

Its 58 degrees in my house so pretty cold and i noticed when i take a deep breath and exhale vapor/smoke comes out of my mouth.whats thecause of this?

A doctor has provided 1 answer

Condensation: The air you expel is 98 degrees, on average, and you appear to be seeing the vapor forming as it's hitting the cooler room air. As you know, it becomes more prominent the colder the air becomes. Good luck.

Answered 11/2/2020

4.7k views

Thank

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