University Of Colorado, Colorado Springs

This study looks at how exercising without eating beforehand (fasted) might change menstrual hormones and cycle length in women who regularly run or cycle. Over about 3 months, 64 participants will track their cycles, complete three 90-minute exercise sessions either fed or faste…

This study compares three common emergency room cooling methods for people with dangerously high body temperature (hyperthermia). Fifty healthy adults will exercise until their core temperature rises above 39°C, then be cooled using cooling packs, ice-soaked sheets with a fan, or…

This study looks at how increasing exercise or adding mental stress might change menstrual cycles in women who run or cycle regularly. Over about three months, participants either keep their normal routine, increase weekly mileage by 30%, do stressful thinking tasks, or both. The…