The Endocrine Society Jul 12 2025 Metabolic health factors, including small increases in blood sugar, are the main drivers of change in the reproductive systems and sexual functioning of aging men, according to a study being presented Saturday at ENDO 2025, the Endocrine Society's annual meeting in San Francisco, Calif. Although age and testosterone levels have long been considered an impetus for men's declining sexual health, our research indicates that these changes more closely correlate