Time magazine has named the use of Truvada to prevent HIV the No. 1 medical breakthrough of 2010. On November 23, researchers published data in The New England Journal of Medicine showing that daily use of the antiretroviral drug Truvada (tenofovir and emtricitabine) cut transmission rates by at least 44 percent—and up to 73 percent when taken correctly—by both HIV-negative men who have sex with men and transgender women who have sex with men who were at high risk for HIV.

To read the Time article, click here.