When the Antibiotic Resistance National Action Plan was announced, our readers had many concerns and questions. We asked CDC Director Tom Frieden for answers.

Drs Harrington and Hernandez discuss the limitations of randomized trials and the upcoming ADAPTABLE trial on aspirin dosing developed under the patient-centered-outcomes research initiative from NIH.

Occult magnesium deficiency may be responsible for innumerable ailments, but plasma and serum levels are unreliable measures. Dr Lundberg offers his advice for addressing this important problem.

The risk goes in both directions: Your patients traveling to or from the tropics could be at risk for -- or bringing back -- the chikungunya virus.

Dr Paul Sax summarizes changes to the Department of Health and Human Services' HIV treatment guidelines, including newly recommended HIV regimens.

A growing body of evidence shows that neuraminidase inhibitor antiviral drugs are effective against the flu, reducing complications and saving lives among hospitalized patients.

Antiviral agents are still underprescribed, despite evidence showing that they can prevent complications and deaths from flu.

Learn how to strengthen vaccine recommendations for adult patients, including videos demonstrating quick and effective ways to share compelling information.

Martin Blaser talks with Eric Topol about how the microbiome influences health and disease, as well as what role the overuse of antibiotics may have played in the obesity epidemic.

Trafficked people can easily go unrecognized, unless you know the signs. Dr Mishori explains how to identify victims and how to respond.