While the research is very scarce, some medicinal plants (like thyme or pepper mint) have been shown to have anti-inflammatory effect, therefore reducing severity of the cold symptoms. But should we actualy try to reduce the symptoms ? (pro : it would help getting a good night of sleep, cons : it would reduce inflammation, which is probably counter-productive for the immune system)
At 27:55 in How to Breathe Correctly for Optimal Health, Mood, Learning & Performance you stated: "A little bit later, we'll talk about how to repair a deviated septum without surgery. That actually is possible in many, if not all cases and is immensely beneficial to do." But there does not appear to be a followup. Can you please provide details? Link to episode: https://www.youtube.com/watch?v=x4m_PdFbu-s&t=1660s Many others are seeking this: https://www.reddit.com/r/HubermanLab/comments/12iipbp/can_someone_please_ask_huberman_about_the/