Huberman Lab

Using Light (Sunlight, Blue Light & Red Light) to Optimize Health

1161 snips
Apr 18, 2022
Discover how sunlight and specific wavelengths can enhance your health! Learn how timed light exposure can boost sleep quality, mood, and hormonal balance. Explore the benefits of ultraviolet and infrared therapies for pain relief and skin healing. The discussion also covers the role of light on metabolism and circadian rhythms, revealing how dim lighting impacts melatonin and insulin levels. Plus, uncover fascinating insights on how red light therapy can counter age-related vision loss and support neuroprotection.
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INSIGHT

Light as Energy

  • Light is electromagnetic energy that travels in wavelengths, impacting our biology.
  • Different wavelengths penetrate tissues at various depths, affecting cells and organs.
INSIGHT

Wavelengths and Tissue Penetration

  • Different wavelengths of light, like colors, penetrate tissues to different depths.
  • Longer wavelengths, like red, penetrate deeper than shorter ones, like blue or UV.
INSIGHT

Light to Biological Signals

  • Light converts into biological signals through absorption by pigments in our eyes and skin.
  • This process allows light to influence cellular function and overall biology.
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