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Scientists devise a pill that reproduces some of the weight-loss benefits of exercise: https://www.bcm.edu/news/the-benefits-of-exercise-in-a-pill-science-is-closer-to-that-goal (popular), https://www.nature.com/articles/s41586-022-04828-5 (academic).
Note that the popular-level headline is irresponsible and sloppy, as exercise has many benefits and not all of them are weight-loss related.