Fun for Diet Nerds February 1 2013 by Dr. Andreas EenfeldtDr. Andreas Eenfeldt, M.D.Dr. Andreas Eenfeldt is a Swedish medical doctor specialized in family medicine. He now runs the fast-growing health site DietDoctor.com as the founder and owner, together with 16 co-workers. in Alcohol, Robert Lustig, Sugar/fructose Don’t get it? 3,2 million people do.