To truly test for a solid-versus-liquid effect, you’d have to use the exact same foods in two different forms. Finally, a study did just that. Researchers looked at what happens if you eat a fruit salad of raw apples, apricots, and bananas and drink three cups of water or, instead, blend the fruit with two cups of water to make a smoothie and drink the third cup of water.2964 The meals are identical except one is in solid form and the other is in smoothie form. What happened? People felt significantly less full after the smoothie, even though it was the same type and amount of food. In
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