CEREBRAL BLOOD FLOW

This study aims to see if eating walnuts daily for six months can improve brain health in adults with abdominal obesity. Researchers will measure changes in brain blood flow, insulin sensitivity, and thinking skills like memory and focus. Participants will either eat about 50 gra…

This study is testing whether following a special, low-calorie 'fasting-mimicking' diet for 5 days each month is safe and might improve brain blood flow in middle-aged adults who have a genetic risk factor for Alzheimer's disease. Forty participants will be randomly assigned to e…

This study aims to understand how eating more dairy foods affects brain function and gut bacteria in overweight adults. Researchers will compare a high-dairy diet (4-5 servings daily) to a low-dairy diet (1 serving or less) in 40 participants aged 40-75. They'll use brain scans a…

This study aims to understand how the sex hormones estrogen and testosterone directly control blood flow to the brain. Researchers will temporarily block and then restore these hormones in 50 healthy young men and women to measure changes in brain blood flow and oxygen use. The g…

This study aims to understand normal brain blood flow patterns in healthy full-term and premature newborns. Researchers will use a safe, non-invasive ultrasound scan to measure blood flow in the brain's main arteries during the first two days of life. The goal is to create standa…

This study aims to understand how two different anesthesia drugs affect blood flow to the brain when a patient is put to sleep for surgery. It will enroll 40 adults having elective surgery. Researchers will compare a newer drug called remimazolam against the commonly used drug pr…