"Forever" PFAS chemicals might hamper a teenager's ability to drop excess weight, even if they've undergone weight-loss surgery, researchers said in a study.

USC researchers found that adolescents with higher pre-surgery blood levels of PFAS regained more weight after bariatric surgery than those with lower levels. The study links PFAS exposure to reduced long-term treatment success.

Adolescents exposed to toxic “forever chemicals” may be more likely to regain weight lost after bariatric surgery, a new study has found. The risk of such gains, which can undermine the procedure’s success and cause long-term health issues,

Key Takeaways PFAS chemicals might hamper a teen’s ability to lose excess weightTeenagers who lost weight through bariatric surgery were more likely to regain some if they had high PFAS levelsPFAS are known to interfere with hormones related to metabolism FRIDAY,

Adolescents who undergo bariatric surgery face a higher risk of weight regain, which can undermine treatment success and long-term health, if they have elevated blood levels of per- and polyfluoroalkyl substances (PFAS) prior to the procedure,