title: Tai chi gives immune system a boost.
mesh_terms: D000368:Aged; D004924:Escape Reaction; D014645:Herpesvirus 3, Human / Q000276:immunology*; D006801:Humans; D007111:Immunity, Cellular / Q000276:immunology; D013601:T-Lymphocytes / Q000276:immunology*; D026302:Tai Ji