Clinical Research Directory

Inclusion Criteria: * Male or female * Age 12 - 89 * Healthy (self assessed) * Weight under 350lbs * Able to walk 50 yards without stopping * Able to travel to hospital for study visits * Able to follow a 3-step command * Able to remain in Magnetic Resonance (MR) scanner for up to 2 hours Exclusion Criteria: * Have internal metal medical devices, including cardiac pacemakers, aortic or cerebral aneurysm clips, artificial heart valves, ferromagnetic implants, shrapnel, wire sutures, joint replacements, bone or joint pins/rods/screws, metal fragments in your eye, or non-removable jewelry such as rings. * Are unwilling or unable to complete the imaging procedures for the duration of the MRI scan due to claustrophobia or other reason. * Serious mental illness that might preclude subject's ability to comply with study treatment * Life expectancy of less than 1 year * Are pregnant or plan on becoming pregnant in the next 8 weeks.