A close-up view of a woman standing on a weighing scale

Medicine’s Atul Chopra says obesity may leave lasting biological changes that sustain hunger after weight loss

Media | October 04, 2026 | Story by: Editorial Staff

Scientists Found a Surprising Reason Lost Weight May Come Back After a Diet

Men's Journal: Atul Chopra, associate professor at the School of Medicine, said obesity may leave a lasting biological “memory” in fat cells that keeps appetite signals elevated after weight loss. He said hunger can become “stuck in the on position,” underscoring that obesity should be viewed as a condition that leaves lasting biological scars.

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