We are doing this study because we want to find out if MRI brain scans alone is better or worse than MRI brain scans plus preventative brain radiation for patients with small lung cancer. The usual approach for patients with small cell lung cancer is prophylactic…
RESEARCH VOLUNTEERS: Healthy male and female (age 21-60) MARIJUANA SMOKERS needed to study effects of marijuana on brain activity and decision-making. The study involves 2-3 outpatient visits and a 5-day/5-night stay at the NYS Psychiatric Institute and includes Magnetic Resonance Imaging (MRI) scans. Compensation for time…