The Cleveland Cardiometabolic Cohort

Inclusion Criteria: * HIV-1 infection as documented by any licensed ELISA test kit and confirmed by Western blot at any time prior to study entry. HIV-1 culture, HIV-1 antigen, plasma HIV-1 RNA, or a second antibody test by a method other than ELISA is acceptable as an alternative confirmatory test * Provides written informed consent and is capable of reading and comprehending the informed consent * Is not currently taking antiretroviral therapy and has never been on such treatments in the past. Exception would be for subjects who had been in the past on ≤30 days cumulative antiretrovirals, as long as these were stopped \>6 months prior to study entry * Is planning on starting antiretroviral therapy as part of routine clinic care Exclusion Criteria: * Pregnancy or lactation