Episode
How Sunlight Supports Weight Loss, Appetite Regulation, & Disease Prevention - With Dr. Alexis Cowan
- Podcast
- The Model Health Show
- Published
- Jun 15, 2026
- Duration seconds
- 4624
- Processing state
not_requested- Canonical source
- https://traffic.megaphone.fm/TMMOO7756557023.mp3
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Summary
Most people know that sunlight exposure can help regulate your sleep or help boost your vitamin D levels, but did you know that a healthy dose of outdoor sun exposure can also influence your metabolism? Today you’re going to learn about the powerful impact that light has on human health and longevity. On this episode of The Model Health Show, Dr. Alexis Cowan is back for a conversation on the role that different light spectrums play in regulating human health and behavior. Dr. Cowan is a Princeton-trained PhD from Princeton from one of the top metabolism labs in the world. Her work is centered around the intersection of light, mitochondrial health, and biophysics. In this interview, we’re diving into the interesting science of how light sends signals to our biology. You’ll learn how different light spectrums can affect your weight and appetite, influence your susceptibility to chronic illnesses, impact your eyesight, and more. This conversation is a fascinating look at the fundamental relationship between humans and the sun. I hope you enjoy this episode of The Model Health Show! In this episode you’ll discover: How our modern environment compares to ancestral conditions. (6:22) What different light inputs can signal to our biology. (8:53) The role of UV light for human health. (10:24) How UV light exposure impacts appetite regulation. (17:43) The dynamic relationship between clock genes and light inputs. (21:35) What the link between blue light and leptin is. (23:28) How sunlight exposure can affect your eye health. (32:22) A conversation on the link between sun exposure and skin cancer. (40:26) How to mitigate your risk of sunburn. (43:42) The role of melanin in the skin. (46:54) Best practices for healthy sun exposure. (52:46) How light exposure at night can influen…