Vitamin D Deficiency In Modern Humans and Neanderthals
Vitamin D Deficiency In Modern Humans and Neanderthals Vitamin D Deficiency In Modern Humans and Neanderthals OTHER ARTICLES Raising awareness so you and your family can avoid the dire health risks of vitamin D deficiency. All modern humans are tropically adapted mammals but many live above the 35th latitude where their technology, rather than their biology, has been used to adapt to the temperate and arctic conditions not encountered by their tropical ancestors. While this has been the case with ambient temperature where cold stress and hypothermia were immediately recognized and dealt with 40,000 years ago with clothing, fire, and shelters, there was another far more subtle stress that went unrecognized until the last 60 years. That stress at high latitudes was toxically low levels of UVB radiation, the component of sunlight that promotes the natural synthesis of vitamin D in skin exposed to it. Vitamin D is a hormone, not a vitamin, and its function is to promote (up-regulate)...
