A massive increase in environmental plastics may also have something to do with it. "The scientists theorize relationships among the global increase of plastic

A massive increase in environmental plastics may also have something to do with it. "The scientists theorize relationships among the global increase of plastics production, human exposure to microplastics, and the global increase of overweight and obesity in populations." https://www.niehs.nih.gov/research/programs/geh/geh_newsletter/2022/6/spotlight/microplastics_may_increase_risk_for_obesity.cfm https://www.niehs.nih.gov/research/programs/geh/geh_newslett...