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UW study: Mice live longer, healthier lives with less of one amino acid

A calorie is not just a calorie. That’s the lesson University of Wisconsin-Madison researchers said they demonstrated in a new study where mice lost weight while eating more.

“And they’re fitter throughout their lifespan, too,” said professor and metabolism researcher Dudley Lamming. “So they’re still able to run and climb, and they don’t grow as frail as normal animals do as they age.”