If I hooked you up to an IV and, unbeknownst to you, dripped 1,300 calories of sugar into your veins, studies show your body somehow “tastes” how sweet your blood has become, does the math, and turns down your appetite so much that you spontaneously eat about 1,100 fewer calories that day.1435 That’s a huge drop in intake, but your body sensed all those extra calories in your system and made you that much less hungry to compensate. Genius! But if I repeat the experiment with fat, we get a different result. Have 1,300 calories of fat secretly infused into your veins, and your body knows
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