GLP-1 medications are everywhere these days. The peptide-based drugs are both highly effective and wildly popular for diabetes, weight loss and a growing range of connected chronic health conditions, including cardiovascular disease and obstructive sleep apnea. But, amid the boom, the latest data suggests millions of Americans have turned to unapproved versions and are using the potent drugs in ways doctors never intended, raising questions about what that real-world use means for safety and efficacy. In a study published this week , researchers at the Centers for Disease Control and Prevention broke down survey data of GLP-1 use collected between July and August of 2025. Based on responses from over 8,000 US adults, the researchers estimate that about one in 10 US adults (9…