Purdue University

This study aims to find out which hearing aid noise-reduction settings help people with mild-to-moderate hearing loss understand speech better in noisy places. About 50 participants will listen to sentences at different background noise levels and try different processing setting…

This study tests a wearable device that gives feedback on swallowing muscle activity to help people with swallowing problems from stroke or Parkinson's disease. About 120 adults aged 50-90 will either do swallow therapy in person or at home via telehealth. The goal is to see if t…

This study looks at how quickly and how long gut bacteria change when healthy adults take a fiber called chicory inulin. Over 13 weeks, 52 participants will take either inulin or a placebo and provide stool and blood samples. The goal is to understand individual differences in gu…

This study looks at how different amounts of a slowly digestible starch affect a hormone called GLP-1, which helps control appetite. Healthy adults will drink test beverages and have their blood drawn to measure GLP-1, insulin, and blood sugar levels. They will also rate their fu…

This study looks at how eating different amounts of cysteine, a protein building block, affects gut bacteria and inflammation in people at higher risk for colon cancer. Researchers will compare Black and White adults aged 45-75 who have had colon polyps. Participants will follow …