Chemicals used to make non-stick pots and pans, stain-resistant carpets, and food packaging, called perfluoroalkyl substances (PFASs), may contribute to high levels of obesity, especially in women, by disrupting the body’s ability to burn calories.

Gang Liu and colleagues reveal that perfluoroalkyl substances, often found in food packaging particularly of energy dense foods, contribute to weight regain for those recruited to a weight loss trial. This effect is higher in women.

About Robert Zinn

Robert Zinn, M.D., Ph.D. is a medical doctor, physician, and web entrepreneur, who, for over 15 years was employed by academic and research institutions and focused his clinical practices on very specialized patient populations, such as those with rare genetic diseases or rare cancers. He shares his knowledge through his website,

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