Ask the Doctor: Obesity and HIV

HIV specialist Theresa Mack, M.D., M.P.H.—an associate medical director at St. Luke's Medical Group in Harlem, N.Y.—answers your most pressing HIV/AIDS questions.

Obesity is a medical condition in which you have too much body fat, which can negatively affect your health. We define obesity using the body mass index (BMI), which measures your weight in relation to your height and assigns a number.

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Only 1 in 5 US HIV Doctors Surveyed Uses PrEP, Despite High Awareness

Only 1 in 5 US HIV physicians surveyed in 2011 used antiretrovirals for preexposure prophylaxis (PrEP), even though large majorities knew about early PrEP research and Centers for Disease Control and Prevention (CDC) guidance.

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Sexual Risk Lower Among U.S. Gay and Bisexual Men Who Accurately Know Their HIV Status

A new analysis of data from 20 major U.S. cities reveals continued signs of sexual risk among gay and bisexual men, but shows dramatically lower sexual risk among those who accurately know their HIV status. The findings were published today in CDC's Morbidity and Mortality Weekly Report.

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NIH Announces Plan to Increase Funding Toward a Cure for HIV/AIDS

At a White House event today to mark the 25th annual World AIDS Day, President Obama announced that the National Institutes of Health plans to redirect AIDS research funds to expand support for research directed toward a cure for HIV. NIH plans to invest an additional $100 million over the next three fiscal years on this increasingly promising area of HIV/AIDS research.

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