How I Build Sun Tolerance & Solar Callus in Early Spring (Solo Episode)

Episode Highlights With Katie Why sunlight is essential for hormones, energy, mitochondria, circadian rhythm, and Vitamin D production What a “solar callus” is and why the skin needs gradual training — just like muscles How to safely build sun tolerance in early spring without burning The internal factors that determine whether sunlight helps or harms you: minerals, hydration, antioxidants, and…