Featured photo courtesy of edition88.

Introduction:

In a previous post in this series, I wrote about how the total amount of UV radiation hitting Earth’s surface has not significantly increased, and we are probably getting less UV exposure than in the past. I then wrote about how UV radiation (UVB, specifically) produces vitamin D synthesis in the skin, and how critically important vitamin D is to our health.  Continue reading Sunlight Series – Part 9: The Dark Side of Sunscreen →