Why is it that people say when you eat a lot of sugar, your body burns sugar before it burns fat so you don't lose weight, but they also say it doesn't matter what you eat as long as you're in a calorie deficit?

I tried to ask this question generally on r/nutrtion but it kept getting removed for being personal...

People say there's some extra science to weight loss beyond CICO saying if you consume too much "sugar," your body will burn that off instead of fat, and you won't lose weight. However, I've also heard forever that it doesn't matter what you eat (for weight loss, not health) as long as you're in calorie deficit. Which is true?

Like, if someone ate 1500 calories of only ultraprocessed sugary crap while their TDEE was 2000, they won't lose weight...?

submitted by /u/bigwatermelonhead
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from loseit - Lose the Fat https://ift.tt/lDE8vbs