How Sunlight Protects Against Flu

About this video

Dr. Roger Seheult explains how researchers used the 2009 H1N1 pandemic, which peaked in summer under varied humidity, temperature and cloud conditions, to uncouple influenza from winter itself. He says Harvard researchers matched cases to local solar radiation data and concluded, in their words, that sunlight strongly protects against getting influenza. Seheult presents this as a candidate explanation for winter flu season beyond cold, indoor crowding and holiday gatherings.

Key takeaways

• Dr. Seheult explains the 2009 H1N1 pandemic let researchers uncouple flu from winter conditions.
• Dr. Seheult says Harvard analysis concluded sunlight strongly protects against getting influenza.

Episode details: published March 3, 2025 · 55.7K views · 1:30 long. Summary written by Self Growth Videos from the episode itself. The science and protocols described are Andrew Huberman’s, presented for education — not medical advice. Consult a qualified professional before changing your own health practices.

← Previous: How to Achieve Inner Peace & Healing | Dr. Richard Schwartz · Next: How to Control Your Metabolism by Thyroid & Growth Hormone | Huberman Lab Essentials →

All Andrew Huberman videos · Andrew Huberman profile · Huberman Lab (official site)