Pennington Biomedical Research Center

This study explores whether measuring ammonia in your breath can help screen for malnutrition. Researchers will compare breath and blood samples from 12 adults with and without malnutrition. Some participants will also fast and drink special beverages to see how breath changes wi…

This study looks at whether adding lean pork to the diet can improve blood vessel function and reduce hot flashes in perimenopausal women who are overweight. Thirty women will try both a pork-rich diet and a plant-based diet for four weeks each, with a break in between. Researche…

This study looks at how much iron healthy US adults need by tracking a special iron tracer in their blood. About 300 men and women aged 18-50 will take an oral iron isotope and give blood samples over 12 weeks. The goal is to update national dietary guidelines so they better fit …

This study looks at the health habits of 100 young people in the Louisiana National Guard Youth Challenge Program, including staff and cadets. Researchers will measure things like fitness, sleep, stress, and mental health to find out what support they need. The goal is to create …

This study looks at why people with obesity often have low iron levels. Researchers want to see if losing weight (which reduces inflammation) or breathing low-oxygen air at night (which can boost iron absorption) helps the body take in more iron from food. Thirty adults with obes…

This study is for 50 adults with obesity (BMI 30-40) aged 18-50. It measures changes in muscle and bone after weight loss with GLP-1 drugs, and whether adding diet and exercise helps protect them. Participants are followed for 6 months with scans and blood tests.

This study looks at how healthy babies burn energy during their first 3 months. Researchers will measure energy use and body fat in 70 infants to better understand growth and prevent overnutrition. The goal is to gather information, not to test a treatment.