CEREBRAL BLOOD FLOW

This study tests whether a special low-calorie diet that mimics fasting, done for 5 days each month over 6 months, is safe and can improve blood flow to the brain. It includes 40 adults aged 45-65 who carry a gene (APOE4) that raises their risk for Alzheimer's. Participants are r…

This study looks at how the hormones estrogen and testosterone affect blood flow and energy use in the brain. Researchers will temporarily block these hormones in 50 healthy young men and women, then give them back to measure changes. The goal is to understand sex differences in …

This study will use a safe ultrasound technique to measure blood flow in the brains of 200 stable newborns, both full-term and premature. The goal is to find normal differences in blood flow patterns based on how early a baby is born. These reference values could help doctors spo…

This study tests whether eating 50 grams of walnuts every day for 24 weeks can improve blood flow and insulin sensitivity in the brain, and boost thinking skills. Researchers will enroll 55 adults aged 45-75 with abdominal obesity, who are at higher risk for cognitive decline. Pa…

This study looks at whether eating 4-5 servings of dairy foods daily (like milk, cheese, and yogurt) can improve brain function and thinking skills in adults aged 40-75 who are overweight. Researchers will use brain scans and cognitive tests to measure changes. The goal is to und…