Healthy volunteers, males and females, ages 30–60 with a history of smoking for 10 years or more are needed for a brain imaging study. Participation involves three visits, each lasting two to five hours. Tests include imaging the brain in an MRI scanner. Receive pay up to $225 and a free picture of your brain. Call 410-502-2184 to learn more and see if you qualify. Confidential.
Principal investigator: J. Desmond
Protocol #: NA_00039502
