Xerox-Probably the Rambam, because Rav. Moshe ben Maimon was the personal physician to the Sultan. He knew all kinds of healthful ideas such as drinking before or after a meal, but not during one. Also waiting several hours after eating to go to sleep. This is to let the food in the stomach have a chance to start being digested. He was a Master Herbalist who could identify and use plants to make Medicine to heal his patients.
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