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Human energy metabolism, the science behind the energy provided by the food we eat, is a complicated subject. I taught it to science and medical students for more than 35 years, but its intricacies continue to surprise and entertain me. I don’t provide nutritional advice, but I want to blow away some of the cobwebs surrounding it. Much of the material summarized here is described in more detail in previous posts, which are linked.… Read the rest “Body Talk”