Pennington Biomedical Research Center

This study is testing whether giving insulin in short weekly sessions can improve brain function and how the body processes sugar in people with Alzheimer's disease. Eight adults with Alzheimer's will receive the insulin treatment once a week for six months, with each session las…

This study is testing if changing when you eat can protect your heart health when you don't get enough sleep. Researchers are recruiting 100 adults who habitually sleep 6.5 hours or less per night. They will compare the effects of eating all food within an 8-hour window versus a …

This study is comparing two diets to see which is better for heart health and menopause symptoms in overweight perimenopausal women. About 30 women will eat a diet high in fresh lean pork for 4 weeks and a plant-based diet for 4 weeks, in a random order. Researchers will measure …

This study is exploring whether chemicals in a person's breath can serve as an early warning sign for malnutrition. Researchers will compare breath samples from people with and without malnutrition, and some participants will test how breath changes after short-term fasting or sp…

This study aims to measure how much iron adults in the United States actually need from their diet. Researchers will track 300 healthy adults for 12 weeks after they consume a special, safe form of iron. The results will help update national nutrition guidelines to better match t…

This research study aims to measure how infants burn energy (calories) during their first three months of life. Researchers want to test the accuracy of new methods for tracking baby metabolism by measuring the same infants twice, about a week apart. The study involves healthy, f…

This study aims to understand the nutrition, fitness, sleep, and mental health needs of young people in a Louisiana National Guard youth program. Researchers will survey 100 program staff and cadets to identify areas for improvement. The information gathered will help design a fu…

This study aims to gather detailed health information from 600 active-duty U.S. Army soldiers. Researchers will measure diet, fitness, body composition, blood markers, and mental health to understand how these factors relate to conditions like high blood pressure and diabetes. Th…

This study aims to collect detailed body composition measurements from healthy adults to create a reference dataset. Researchers will measure total body water, fluid compartments, and muscle mass using specialized techniques. The data will help develop more accurate tools for stu…

This small pilot study aims to understand how the human body regulates weight by testing different scientific models. Researchers will observe 12 people with either low body weight or obesity during a 5-day inpatient stay where they fast for 2 days and then eat freely for 2 days.…