Cold Air Effects
Cold, dry air can increase susceptibility to viral and bacterial infections due to the thinning of the mucosal lining in the nose and mouth. Breathing through the mouth in such environments exacerbates this issue, while warmer, humid conditions help maintain a more robust defense against pathogens. Deliberate cold exposure itself isn’t the culprit for infections, but the surrounding conditions can play a significant role.In this clip
From this podcast

Huberman Lab
AMA #7: Cold Exposure, Maximizing REM Sleep & My Next Scientific Studies
Related Questions
Is it possible to get the sniffles or a common cold just from being exposed to colder temperatures, such as staying outside in the cold or being in a cold room for an extended amount of time, or is that just a myth? What does Dr. Andrew Huberman say about this?
Is it possible to get the sniffles or a common cold just from being exposed to colder temperatures, such as staying outside in the cold or being in a cold room for an extended amount of time, or is that just a myth? What does Dr. Andrew Huberman say about this in episode AMA #13: Winter Months & Sickness, Wim Hof Breathing & Stressors and the clip Cold Weather Health?
Is it possible to get the sniffles or a common cold just from being exposed to colder temperatures, such as staying outside in the cold or being in a cold room for an extended amount of time, or is that just a myth? What does Dr. Andrew Huberman say about this in the episode AMA #13: Winter Months & Sickness, Wim Hof Breathing & Stressors and the clip Breathing and Illness?