In 1900, there were 75% or 80% people working outside. Today, that is 5% to 10%. Yet, dermatologists tell us that there has been a 3,000% increase in melanoma during that time. How can it be, then, that sunlight causes melanoma if we are spending more of our time indoors and yet melanoma is increasing? Dr. Marc Sorenson is the author of Vitamin D3 and Solar Power for Optimal Health — and he’s about give you… a health awakening.