Endocrine Society

JAMA study: Army's mandatory low-T screening could flag 25% of soldiers

A study published in JAMA found that mandatory testosterone screening ordered by Defense Secretary Pete Hegseth could flag up to a quarter of active-duty Army members as having low testosterone, even though the true prevalence of the condition is likely far lower. Researchers from Pennington Biomedical Research Center and the US Army Research Institute of Environmental Medicine analyzed blood samples from 479 male soldiers across five Army installations, collected between August 2024 and January 2026.

arstechnica.com · 2026-10-15

Study probes why 10-15% of patients don't lose weight on GLP-1 drugs

Researchers report that while most people on GLP-1 obesity drugs lose about a quarter of their body weight, 10-15% see minimal or no weight loss, according to endocrinologist Daniel Drucker of the University of Toronto. The Endocrine Society has called understanding this variation a research priority, citing early findings that biological sex, genetics and behavioral factors may all play a role, with women consistently losing more weight than men in trials and real-world data.

nature.com · 2026-09-24