HEALTHY SUBJECT

This pilot study looks at whether adding physical activity to standard smoking cessation tools (nicotine patch and counseling) helps African American adults quit smoking. About 45 participants will be followed to see if the program is practical and acceptable. The goal is to gath…

This study looks at whether extra MRIs and blood tests can help doctors predict how head and neck tumors change during radiation therapy. Up to 100 people (80 patients and 20 healthy volunteers) will take part. The goal is to learn more about tumor growth and response, not to tes…

This study looks at whether combining breast MRI with blood and tissue samples can help find early signs of breast cancer in high-risk women. About 344 women will undergo standard screening MRI and donate leftover tissue and blood. The goal is to better understand how normal brea…

This study looks at a program called Tu Salud Si Cuenta (Your Health Matters!) designed to help Latino families eat more fruits and vegetables and get more physical activity. Researchers will work with 80 Latino adults in Houston to see if the program is acceptable and what helps…

This study is testing a new blood and urine test to see if it can find kidney cancer early and track how well treatment is working. Researchers will compare test results from healthy people, patients with early-stage kidney cancer, and patients with advanced kidney cancer. The go…

This study tests how well three different food frequency questionnaires estimate how many fruits and vegetables people eat. Researchers will compare the questionnaire results to actual diet records and blood and skin tests for carotenoids—natural pigments found in plants. The goa…