Thursday’s edition of the Federal Register contains new rules for treating head lice, as well as protections for snakes, salamanders and mussels. Here’s what is happening: Lice: The Food and Drug ...

The louse (plural: lice) is a parasite that attaches itself to human hair and feeds on human blood. The most prevalent kind of lice is head lice. An infestation with head lice is medically known as ...

Between 6 and 12 million children ages 3 through 11 get head lice every year in the U.S., according to an estimate from the Centers for Disease Control and Prevention. That’s a lot of itching. If ...

Lice are typically grayish-tan in color and the size of a sesame seed or smaller, depending on where they are in their life cycle. Lice eggs look similar to dandruff and attach to the hair shaft. It’s ...