The best General Rule for Diet that I can write, is to Eat and Drink only of such Foods—at such times,—and in such quantities—as Experience has convinced you, agree with your Constitution—and absolutely to avoid all other. – William Kitchiner (1775–1827), “Art of Invigorating Life,” The Art of Invi

The time indeed is at hand when systematic lectures on food will be part of medical education, when the value of feeding in disease is admitted to be as important as the administration of medicines. – John Milner Fothergill