
Once again it's back to school for millions of children nationwide. With this yearly event comes the inevitable arrival of pediculosis capitis—head lice—the bane of children who congregate in close quarters. Three million new cases are reported annually in the United States. Resistance is a growing concern as lice simply ignore conventional pediculicides. As experts note that resistance is much less likely to develop to therapies that do not work on a chemical level, a new wave of therapies use natural and non-neurotoxic treatments.