September 4, 2015, 4:25 PM|As kids head back to school, there’s increasing concern about the spread of head lice resistant to common over-the-counter treatments. CBS News’ Danielle Nottingham reports.
September 4, 2015, 4:25 PM|As kids head back to school, there’s increasing concern about the spread of head lice resistant to common over-the-counter treatments. CBS News’ Danielle Nottingham reports.