Effects of Tai Chi Chuan on Psychobiological Indicators of Anxiety and Sleep Quality in Young Adults

Inclusion Criteria:

- mild to severe symptoms of anxiety

- interest in participating in an exercise intervention

- willingness to accept randomization

- provides informed consent

- low or moderate risk for acute cardiovascular event

Exclusion Criteria:

- currently receiving psychotherapy or medication for psychological problems

- current suicide or homicide risk

- current or history of psychosis

- current alcohol or substance dependence

- high risk for an acute cardiovascular event

- current use of prescription drugs with potential to influence the parasympathetic or
sympathetic nervous system

- current or previous extensive involvement in mind-body exercise

- symptoms of severe depression