Medical research

Testosterone gel fails to boost Viagra's effects

(HealthDay)—Men who have erectile dysfunction and low testosterone may get no extra benefit from adding the hormone to their Viagra prescription, a new study suggests.

Medications

Online pharmacy crackdown shutters 1,677 websites

U.S. and international regulators have seized more than $41 million in illegal medicines worldwide and shut down 1,677 websites as part of their ongoing fight against counterfeit drugs sold over the Internet.