Want To Avoid Jet Lag?

Dave Asprey (Bulletproof Radio)
Dave Asprey (Bulletproof Radio)Mar 22, 2026

Why It Matters

Portable infrared therapy offers frequent flyers a low‑cost, self‑administered method to mitigate clot risk and improve physiological resilience, directly impacting health outcomes and productivity during travel.

Key Takeaways

  • Infrared light may improve blood flow during high‑altitude flights.
  • Airline LED lighting lacks infrared, requiring personal devices for exposure.
  • Frequent flyers face hypoxia‑induced blood viscosity and clot risks.
  • Biohackers use portable infrared devices to mitigate travel‑related health stressors.
  • Reducing clot risk supports longevity and overall physiological performance.

Summary

The video argues that infrared light can be a practical tool for frequent travelers seeking to counteract the physiological stresses of high‑altitude flight. The presenter, a serial international flyer, highlights how cabin environments expose passengers to hypoxia, reduced circulation, and increased clotting risk, while standard airline LED lighting provides no infrared radiation. Key points include the observation that hypoxia makes blood stickier, and several studies suggest infrared wavelengths improve blood fluidity. Because commercial aircraft lack infrared emissions, the speaker recommends carrying a personal infrared device—specifically the Lima—to maintain circulation during long hauls. He emphasizes, "infrared wavelengths make the blood less stable," meaning less viscous, and frames this approach as part of a broader biohacking movement aimed at taking control of one’s biology. The anecdote of using the Lima on a return flight illustrates a hands‑on application of the concept. If validated, such portable infrared solutions could become a niche health‑tech market for business travelers, athletes, and anyone spending extensive time in cabins, potentially reducing clot‑related incidents and enhancing overall longevity.

Original Description

Here is how you can counteract the negative effects of flying on your body.
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