Dr Jacob Teitelbaum comes up a lot in various threads. Podcast: Debunking the Myths of Chronic Fatigue Join Dr. Jacob Teitelbaum, Medical Director of the Fibromyalgia and Fatigue Centers and author of "From Fatigued to Fantastic" as he offers a Chronic Fatigue Syndrome 101. https://reachmd.com/programs/clinicians-roundtable/debunking-the-myths-of-chronic-fatigue/824/ no transcript.
https://secure.endfatigue.com/about-us/jacob-teitelbaum-md Also believes that autism can be cured by eliminating allergens. This is my point re Jarvis in the other thread - it’s the ones that build careers on lies who deserve dedicated opprobrium and pitchforks, not the sceptical, unenthusiastic majority.
There are a few threads on here where he is discussed. For me, he's firmly in the quack category. Perhaps he's a bit like the US version of Dr Myhill. Hypotheses presented as fact, and lots of expensive supplements (and several books for good measure)!
Also, I think he's one of those strange types who believe the same basic interventions can treat and even cure myriad disparate illnesses, including your ME/CFS, your Great Aunt's fibromyalgia, and your neighbour's diabetes.