Your Skin’s Worst Enemy Isn't the Sun - It's Your Metabolism!

Mark Hyman explains that the biggest drivers of skin aging are internal metabolic factors like high blood sugar, inflammation, and glycation, which damage collagen from the inside out. He discusses the role of autophagy, muscle mass, and lifestyle habits in maintaining healthier, firmer skin, and how these internal factors may be more important than sun exposure alone. The episode also covers sun protection and answers common skin health questions.