Ep.88 – How Sunlight Can Fight Autoimmune Diseases
When you think about sunlight, you probably picture warm summer days — not a cutting-edge medical treatment.
But as recent research reveals, specific wavelengths of UV light can help calm runaway inflammation, a key driver behind autoimmune diseases.
In this conversation, John MacMahon, co-founder of Cytokind and veteran medical device entrepreneur, shares how a dermatology treatment for psoriasis led to groundbreaking results for MS, COVID, and other inflammatory conditions. We dive into the science behind phototherapy, how it’s used in clinical trials, and why your immune system might be craving more sun than you realize.
You’ll hear:
– Why a narrow band of UV light can “teach” your immune system to make better decisions
– How clinical trials in COVID and MS have shown dramatic reductions in mortality and relapses
– Why inflammation — not just symptoms — should be the focus of autoimmune care
– What you can do today to naturally boost your regulatory T cells (hint: it’s free)
If you or someone you love is living with an autoimmune condition, this episode could open the door to a whole new way of thinking about treatment and prevention.
Links & Resources
Cytokind’s website: https://cytokind.net
Can Sunlight Cure Disease? – Scientific American (May 20, 2025) — Explores UV light therapy for autoimmune conditions like MS, including patient Kathy Reagan Young’s “UV-fueled rebirth” and underlying photoimmunology research.
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