How HIV Spreads in the Body (image) University of Pittsburgh Schools of the Health Sciences Share Print E-Mail Caption University of Pittsburgh Graduate School of Public Health researchers have shown that low cholesterol in dendritic cells might be the reason that HIV progression to AIDS is naturally slowed in some people. Credit Nicole Davison/UPMC Usage Restrictions This image is embargoed and may not be posted publicly until 12:01 a.m. EDT April 29, 2014. Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.