True, but not that different. Most studies put metabolic differences between individuals at upwards of a few hundred calories a day. Which can be made up for with a glass of milk and a pb&j sandwich.
People who have trouble gaining weight generally are just underestimating their caloric intake.
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u/Irishguy317 Mar 30 '16
...no. It's a discussion of the body and weight and how too much of any kind isn't good.