SEX DIFFERENCES

This study looks at whether not getting enough sleep affects blood sugar control differently in healthy men and women. Researchers will have 32 participants stay in a lab for two separate 5-day periods, comparing normal sleep to restricted sleep. The goal is to understand sex dif…

This study looks at whether being male or female changes how the body handles working at night. Researchers will compare hunger, fullness, and blood sugar control in 36 healthy adults during simulated day and night shifts. The goal is to learn how to make shift schedules safer an…

This study tests whether a mild, painless electrical stimulation on the ear (called taVNS) can improve thinking skills like memory and attention in healthy adults aged 18-30. Each participant will receive both the real stimulation and a fake (sham) version in separate sessions to…

This study watches 471 older adults (65+) after surgery to see if women are more likely than men to develop postoperative delirium—sudden confusion and attention problems. It also tracks whether women receive fewer family visits, which might protect against delirium. No treatment…

This study looks at how the hormones estrogen and testosterone affect blood flow and energy use in the brain. Researchers will temporarily block these hormones in 50 healthy young men and women, then give them back to measure changes. The goal is to understand sex differences in …