Medication-Resistant Head Lice

Medication-Resistant Head LiceMedication-Resistant Head Lice Found in California

Head lice, long dreaded by parents of young children, seem to be getting tougher to eliminate. A new study suggests that the lice population in at least 25 states, including California, is now resistant to the over-the-counter permethrin treatments parents have been using for years to kill infestations.