A recent study analyzed smoking’s ties to substance use and mental, psychological and general health in sexual minority men and trans women.

A recent study in Boston found that only 6% of people at detox centers who tested positive for either virus received follow-up medical care.

A U.K. woman developed spinal inflammation after receiving an adenovirus vector vaccine.

Researchers are surprised and concerned that a strain of HIV that is so broadly resistant to treatment even has the capacity to transmit.

HIV leads to brain inflammation and cognitive decline, but adding marijuana to the mix doesn’t seem to further such damage.

Rates of liver complications were similar, but HIV-positive people had more non-liver cancers and non-liver-related deaths.

This finding calls into question research that has projected that frequent testing among men on PrEP could drive down STI rates.

The D-peptide HIV entry inhibitor CPT31 is being developed with hopes it could be injected quarterly for both treatment and prevention.

Plasma from recovered patients recently received a controversial FDA emergency use authorization as a potential treatment for COVID-19.