head lice

drug resistance

Study: Head Lice Showing Resistance To Many Treatments

A new study finds head lice have developed genetic mutations that make them resistant to permethrin, the active ingredient in some of the most popular lice treatments.

08/18/2015

People leaning their heads together to pose for selfies. (Photo by Andrew Burton/Getty Images)

Expert Claims Selfies Are Spreading Head Lice Infestations

People leaning their heads together to pose for selfies can capture memories from all across the globe – but they may just be capturing head lice.

02/25/2014