Could new weight-loss drug Contrave be a weapon in obesity battle?

U.S. regulators are greenlighting a new weight-loss drug called Contrave, the third in a string of approvals for anti-obesity treatments...

Image: 13-year-old Will Cornejo is recovering from what doctors suspect is the respiratory virus,  human enterovirus 68 that has come to Colorado.
Cyrus McCrimmon / Denver Post via Getty Images