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Why do older people's stomachs stick out? Unpacking age-related changes

According to a study published in *Science*, aging triggers the body to produce new fat-producing stem cells, particularly around the belly. This helps explain why older people's stomachs stick out, even without significant weight gain. The phenomenon, while common, is driven by a complex interplay of hormonal shifts, decreased muscle mass, and changes in metabolism that specifically target the abdominal region.