People who drink diet beverages tend to get a good portion of their daily calories from ‘junk’ food, which cancels out any benefits associated with the sugar-free drinks, a new study shows.

The drug Travada, designed to prevent HIV infections in high-risk patients, is showing encouraging results in the field. Two recent studies demonstrate the efficacy of Travada in a real-world setting, corroborating the Centers for Disease Control and Prevention’s (CDC) recommendation of the drug as a preventative measure against HIV, according to a report by Reuters.