For the first time in United States history the Food and Drug Administration (FDA) has approved a drug that reduces the risk of H.I.V. infection. Truvada will soon be administered to patients as part of prevention plans that include risk reduction counseling, HIV testing every three months, and regular condom use. It won't be cheap, however, as pills will be estimated at $40 a pop come prescription time. Raises our brow, of course. Read more about Truvada here.