Paul Saladino MD podcast

255. Fake Lighting Is Sabotaging Your Natural Rhythm w/ Tristan Scott

61 snips
Feb 13, 2025
Tristan Scott, an electrical engineer and expert in light and health, explains how modern lighting disrupts our biology. He highlights the detrimental effects of blue light and explains why incandescent bulbs can be healthier for our circadian rhythms. Scott busts myths about sunlight and melatonin production, detailing how artificial lighting impacts sleep and mental health. He urges listeners to embrace natural light and reevaluate their tech habits while sharing practical tips to enhance overall well-being.
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INSIGHT

Blue Light Balance

  • Blue light is not inherently bad; it's crucial for circadian rhythm.
  • The problem is the imbalance caused by lack of infrared indoors.
ADVICE

Incandescent Light

  • Use incandescent bulbs, which are rich in infrared light.
  • They mimic the natural light spectrum of fire and are healthier than LEDs.
ADVICE

Evening Light

  • Minimize blue light exposure 4-5 hours before sleep.
  • Use red LEDs or low-power incandescents at night.
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