READERS SUMMARY: 1. WHY ARE VITAMIN D LEVELS REALLY IN RETREAT IN OUR MODERN WORLD? 2. WHY SUPPLEMENTING WITH ORAL VITAMIN D BE PROBLEMATIC FOR SOME? 3. HOW IS NATURAL ACTINO-THERAPY SUPPOSED TO WORK USING NATURE? Most people know that Vitamin D is made from certain wavelengths of sunlight in the UVB range. I […]