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Purpose: Chronic traumatic encephalopathy (CTE) has been diagnosed in 91.7% of retired United States National Football League (NFL) players at postmortem. There is no treatment or cure for CTE. Most living former NFL athletes with probable CTE suffer from obesity and its comorbidities. Our previous reviews document the improvement in cognition following metabolic/bariatric surgery (MBS) (e.g., gastric bypass, sleeve gastrectomy). These operations might reduce microglial maladaptive states, thereby attenuating neurodegeneration and CTE-like neurocognitive impairment. The study evaluated former NFL players' views on metabolic surgery in relation to reduction of obesity and CTE risk., Materials and Methods: An online multiple-choice questionnaire (30 items, 125 response options, 10-min completion) developed in the Research Electronic Data Capture (REDCap) system was sent to 1,014 athletes screened in 2017-2022 by the Living Heart Foundation., Results: From 2/2022 to 7/2023, of 700 surveys opened, 72 (10.3%) of the retired players responded. Mean age was 61.6 ± 12.6 years; 45.0% had the disease of obesity with a mean BMI 35.5 ± 4.6 kg/m 2 . Thirty-three percent reported ≥ 2 obesity-related comorbidities; 40.3% memory-related TBI symptoms; 66.7% ≥ 1 cognitive symptom; 85.0% believed MBS was safe and effective but were unlikely to elect MBS for weight management. Yet, 57.0% of the entire cohort, and 68.8% of players with obesity were more likely to elect MBS if it could also reduce CTE risk., Conclusions: Results of the study bode well for future research recruitment. Most surveyed retired NFL players with obesity believed MBS to be effective and would be more likely to undergo MBS if it also reduced CTE risk., (© 2024. The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature.)