This is a good news/bad news story. First the good news. As reported by investigative journalist Lynne McTaggart, in The Optimist, there is a doctor in England, originally from India, named Joseph Chandy, who has become renowned over the past forty years for miraculously curing hundreds of patients of their depression, as well as multiple sclerosis and chronic fatigue. In 2006, a BBC segment on him featured grateful patients whose lives had been turned around. Multiple sclerosis patients said they were able to get up out of the wheelchairs. Dr. Chandy’s miraculous treatment? Vitamin B12 injections. It seems that Dr. Chandy discovered early on one of the two causes of disease: nutrient deficiency. As Raymond Francis wrote back in 2003: Proper nutrition is the single most important factor in preventing and reversing depression. Consider that the inventor of the anti-anxiety drug Valium later discovered that B vitamins could produce exactly the same benefits as Valium, without side…