Dr. Robert Heaney†, former research director for GrassrootsHealth, was interviewed by Dr. Joseph Mercola about the current US RDA for vitamin D. Most vitamin D researchers disagree with the current RDA, citing it is...
Review of Research Paper Sunlight: For Better or For Worse? A Review of Positive and Negative Effects of Sun Exposure Han van der Rhee et al. Cancer Research Frontiers May 2016 Read Paper Researchers...
What is a minimum erythema dose? An “erythema dose” is used by doctors to define the amount of ultraviolet radiation, from the sun or ultraviolet lamp, which results in a reddening of the skin....
The ultraviolet index or UV index is a measurement of the strength of the sun’s ultraviolet rays. It is 0 in the dark of night and 10-11 in the middle of a summer day...
What is the New York Times Writing About? On April 10th, 2017 the New York Times picked up the press release from the Journal of the American Medical Association, JAMA, and printed a story...
November 1, 2016 Vitamin D day was created by the Vitamin D Society and is co-sponsored by both GrassrootsHealth and Vitamin D Council. The Vitamin D day web site has great beginner materials including...
August 8, 2016 Dr. Robert Heaney left us on August 6, 2016. In this newsletter we have provided some information about his accomplishments for you to look at below. We’d truly love to have...
July 13, 2016 It is hard to know what to do with nutrient related information these days. Is it correct? Would it help your health condition? With any nutrient, including vitamin D, you could...
July 6, 2016 How can we redesign research questions so that we are not harming a population by doing research?! What research questions can we ask that are beneficial? How can we MOVE faster...
June 29, 2016 When new people start the project, the very first thing they report is ‘ohmygoodness–I have considerably less pain’, or ‘this is the first time in years that my pain has gone...