Room for dessert? Here's why your brain says yes to sugar

Ever eat a full meal ... and find you still have room for dessert? If so, you're not alone. Sugar is a quick form of energy that many people crave — even when they're full. Today, hosts Emily Kwong and Regina G. Barber dive into a new study on the neural origins of the "dessert brain."Want us to cover more neuroscience on the show? Let your voice be counted by emailing shortwave@npr.org! Listen to every episode of Short Wave sponsor-free and support our work at NPR by signing up for Short Wave+ at plus.npr.org/shortwave.

Feb 21, 2025 - 09:10
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Room for dessert? Here's why your brain says yes to sugar
One of the ways the body signals fullness after a meal involves satiety neurons located in the hypothalamus. Sugar seems to hijack that system.

Ever eat a full meal ... and find you still have room for dessert? If so, you're not alone. Sugar is a quick form of energy that many people crave — even when they're full. Today, hosts Emily Kwong and Regina G. Barber dive into a new study on the neural origins of the "dessert brain."

Want us to cover more neuroscience on the show? Let your voice be counted by emailing shortwave@npr.org!

Listen to every episode of Short Wave sponsor-free and support our work at NPR by signing up for Short Wave+ at
plus.npr.org/shortwave.

(Image credit: Horasiu Vasilescu / 500px)