By Dr. Liji Thomas, MD Reviewed by Benedette Cuffari, M.Sc. Apr 28 2025 New research in eClinicalMedicine reveals that nearly half of people with obstructive sleep apnea are not obese, challenging long-held assumptions and calling for more inclusive screening strategies. Study:  The relationship between obesity and obstructive sleep apnea in four community-based cohorts: an individual participant data meta-analysis of 12,860 adults. Image Credit: Andrey_Popov / Shutterstock.com Obesity is