Vitamin D is the sunshine vitamin for good reason. During exposure to sunlight, the
ultraviolet B photons enter the skin and photolyze 7-dehydrocholesterol to previtamin D 3 …

This article reviews current data about the relationship between sun radiation and skin,
especially with regards ultraviolet light and the skin aging process. The benefits of sun …

Depletion of the ozone layer and climate change by the increasing greenhouse effect are
distinctly different processes. It is becoming quite clear, however, that the two global …