745 recruiting studies matching your filters
Background: Artificial sweeteners like sucralose are found in many foods and drinks. Sucralose might affect hormones and cause health changes. Objective: To…
Background: Alcohol use disorder (AUD) is a leading cause of disease and death worldwide. New treatments for AUD are needed. Dopamine, a chemical that carries…
Background: \- Researchers at the National Institutes of Health give many tests of hearing and balance. These tests can help detect problems that affect heari…
The goal of this research is to learn how a new device called the wireless thermal capsule (WTC) can collect thermal data to help see diseases that happen in t…
Background: Attention deficit hyperactivity disorder (ADHD) is common in children. It can cause problems with attention and the ability to control actions and…
The purpose of this study is to use brain imaging technology to measure changes in blood flow to areas in the brain as individuals perform intellectual tasks. …
Background: \- Painful stimuli cause changes in a network of brain regions called the "Pain Matrix." But most of these regions respond to many other stimuli, …
Background: \- Biomarkers are substances in people's blood and tissues. They help researchers understand diseases and signs of aging. Scientists want to do mo…
The goal of this clinical trial is to find out whether a type of electrical brain stimulation, called temporal interference stimulation, can temporarily change…
Background: Infections in the lower respiratory tract (lungs) are the leading cause of death from infectious disease worldwide. This was true even before the …
The vagus or vagal nerve is a nerve that sends signals from the brain to other parts of the body to control involuntary functionm, including stomach function, …
This study aims to test a new online program we developed for parents and their preschool children, called CHEF-ED. CHEF-ED focuses on healthy cooking, parenta…