Two world-leading experts in photobiology join me to discuss the negative health effects indoor lighting, what we currently know about how light interacts with biological systems and what this means for your health.Watch my previous epi...

We discuss the amazing finding that exercise post cold exposure dramatically raises serum testosterone levels & implications for medicine, how cold boosts mitochondrial function, the use of green light to mitigate migraine headache and more...

I share the most downloaded podcast episodes of last year, what’s happening in 2025 and some recent thoughts about cattle feed additives and sunlight/UV light.

Aligning your lifestyle to natural light cycles has the potential to transform your health. I speak with Roudy Nassif, who shares his seven steps for improving your light environment for optimal circadian health and we discuss why light is the ...

The carnivore diet is exploding in popularity. In this episode I discuss why light and circadian biology should be added to our lifestyle routines to ensure optimal mitochondrial health beyond diet-only changes.This talk was presented t...