Vegan Diet Research Could Prevent and Reverse Threatening Diseases Grants Pass, OR (PRWEB) September 28, 2012 Dr. Campbell has been a guest on the Sharon Kleyne Hour Power of Water radio show (August 9, 2010). Sharon Kleyne has also interviewed another best-selling vegan diet proponent, Caldwell Esselstyn, MD, author of Prevent and Reverse Heart Disease …