ahlam1399
08-28-2019, 11:04 PM
Deficient sunlight is nothing but a death trap. It has been known for several decades that those living mostly in the outdoors, at high altitudes, or near the equator have the lowest incidence of skin cancers. And as the evidence suggests, those who work under artificial lighting have the highest incidence of skin cancers.
أكثر... (http://EzineArticles.com/6435656)
أكثر... (http://EzineArticles.com/6435656)