Dr. Treavor Marshall, a molecular scientist, along with numerous colleagues and his research scientist wife, have identified a Vitamin (really a hormone to the dismay of future medical books) as a key component leading to many of the numerous diseases.The problem is overload of outside, or inert forms of 25 Vitamin-D, being processed by the kidneys and spleen into the useful, or 1,25D dihydroxycholecalcerferol.