In 1902 the noble prize was won discovering heliotherapy
The original olympians were required to work out outside because they knew that sunshine created muscle tone
In 1920s Dr Gus Roille found a way to cure rickets and tuberculosis and it was all based on a hospital built on sun tanning with beds outside
Over 3000 studies showing ample Vitamin D in the bodies prevents many diseases including slashing breast cancer risk by 50%
Juvenile diabetes is caused by deficient vitamin D in pregnant mothers
Fun fact: Oxybenzene is the main active ingredient in most sunscreens and it is NOT carcinogenic UNTIL exposed to the sun