We need the sun. Experts are now urging people to not avoid UV rays. "Though some vitamin D comes from our diet (and more recently from supplements), we should not ignore the natural capacity that we possess to produce our own. We are of the opinion that moderate sun exposure (less than the time required to burn) to the arms, shoulders, trunk, and legs should be sought rather than avoided." Read this paper to learn more about "heliotherapy", or the sun's ability to heal. http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4536937/

The World Health Organization's International Agency for Research on Cancer recommends avoiding outdoor activities at midday, wearing clothing to cover the whole body, and daily use of sunscreen on usually exposed skin [1]. The American Cancer Society advocates Slip! Slop! Slap! and Wrap! to make su…