How Much Sunlight Do You Really Need for Vitamin D? A Practical Guide for Everyday Life in the US
Why Is Sunlight Essential for Vitamin D? The Science Behind Sun and Vitamin D When your skin is exposed to UVB rays from sunlight, it triggers a natural process that produces vitamin D. This vitamin is crucial for bone strength, immune support, and even mood regulation. Yet, modern American life—filled with indoor work, commuting, and … Read more