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    Created in 2008, Phoenix Rising is the largest and oldest forum dedicated to furthering the understanding of, and finding treatments for, complex chronic illnesses such as chronic fatigue syndrome (ME/CFS), fibromyalgia, long COVID, postural orthostatic tachycardia syndrome (POTS), mast cell activation syndrome (MCAS), and allied diseases.

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Search results

  1. Ted Hutchinson

    vitamin d generation

    Human skin is set to create vitamin D3 from the 7 dehydrocholesterol molecule near the skin surface from dawn to dusk given the presence of UVB from sunlight. Rather than think about the minimum requirement we should be thinking more about the levels that humans lving near naked outdoor lives...