Massage: Neuroimaging and Correlates of Response - 6-week Study

This study will help find out if massage and touch therapies change brain activity and reduce the symptoms of anxiety. Massage therapy has well known health benefits. This study will help to learn if these therapies reduce the symptoms of anxiety by changing brain activity. Participation in the study will last about 8 weeks. This is a randomized research study. "Randomized" means that participants will be assigned to a study group by chance, like flipping a coin. Participants will be randomized into one of two study groups, and will have an equal chance of being placed in one of the groups: - Swedish massage therapy twice per week for 6 weeks - Light touch therapy twice per week for 6 weeks At each study, the study staff ask about life stressors, medical health, medicine use, and illicit substance use over the past week. The study uses magnetic resonance imaging (MRI) as well as functional MRI (fMRI) to look at the structure and activation of the brain. Participants will undergo two brain scanning sessions, one before the first intervention and one immediately after the last Swedish massage or light touch therapy. The scans will last approximately 45 minutes. During the brain scanning sessions, information on heart rate, blood pressure, temperature and breathing will also be collected.