“For me, a calorie is a unit of measurement that’s a real pain in the rear.” Bo Nash is 38. He lives in Arlington, Texas, where he’s a technology director for a textbook publisher. He has a wife and ...

Long held up as the big benchmark of nutrition, the calorie is losing its clout in the age of GLP-1s and a sharper focus on nutrients.

Following is a transcript of the video. Narrator: We've got some bad news. You could be burning fewer calories at the gym than you think. In a study published in 2018, researchers found that some ...