title: Research takes close look at HIV's impact on brain of aging patients.  Imaging shows reduced blood flow.
mesh_terms: D000375:Aging / Q000502:physiology*; D001921:Brain / Q000098:blood supply / Q000503:physiopathology*; D015658:HIV Infections / Q000503:physiopathology*; D006801:Humans; D008875:Middle Aged