Dhru Purohit Show

Light As Medicine: The Untold Science Behind Sunlight and Light Therapy for Disease Prevention and Total Body Health with Roger Seheult, MD

25 snips
Dec 3, 2025
Dr. Roger Seheult, a quadruple board-certified physician and co-founder of MedCram, shares fascinating insights on how sunlight acts as a crucial nutrient for our health. He discusses the modern light deficiency many face and its links to cognitive decline and obesity. Seheult breaks down the role of infrared light in boosting mitochondrial function and reducing inflammation. He offers practical tips for incorporating more sunlight into daily life and emphasizes the importance of light in overall well-being, illustrating its effects with compelling clinical anecdotes.
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INSIGHT

Invisible Sunlight Penetrates Deeply

  • Infrared and ultraviolet are invisible sun wavelengths that deeply affect our bodies beyond sight and skin.
  • Infrared penetrates clothing and tissue, reaching internal organs and even exiting the body, according to recent measurements.
INSIGHT

Sunlight Boosts Mitochondrial Energy

  • Infrared light raises mitochondrial energy production by influencing the electron transport chain.
  • Improved mitochondrial function links to lower risk of heart disease, diabetes, cancer, dementia, and aging.
INSIGHT

The Sun Acts As An Integrated Package

  • The sun is a package: visible, infrared, and ultraviolet act together on circadian rhythm and cellular energy.
  • Infrared can penetrate skull and bone, reaching brain mitochondria and supporting cognition.
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