What are the costs for participating in the study?
There are no costs associated with participating in this research study. All Tai Chi classes, cycling exercise classes, lab work, and testing are completely complimentary. Participants can also request copies of their lab work for their own health care purposes. To make visits more accommodating and provide maximum convenience, participants are granted free valet parking for all visits to the NIH, as well as an extended visitor badge. While in the NIH, participants have access to cafeterias, gift shops, and other services the NIH provides.