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What method do you suggest will measure calories in and calories out exactly? If these cannot be observed exactly, what's the point in being so insistent about

• jacques_chester 12y ago
  There's been a misunderstanding. I agree with you that direct caloric balance is unobservable on an individual basis, it can only be approximately estimated. I'm saying that weight and appearance are observable, and that diet is adjustable. Want to gain weight? Change your diet a bit, observe the results over the following weeks. Repeat until satisfied. Want to lose weight? Change your diet a bit, observe the results over the follow weeks. Repeat until satisfied. Some people do these with old-fashioned calorie counting. Some with specialised diets. Some but dropping sweet drinks. But unless you first internalise the locus of control, you won't get anywhere.
• revelation 12y ago
  My car can't even observe speed exactly, it's off by a few km/h. It doesn't matter because the cops measuring speed expect the error and subtract the margin for me. For "eating less to lose weight" you're looking at megajoules/week change. Theres plenty of room for impreciseness here.