After reaching adulthood, lice can live in your hair up to 1 month: As long as they can feed on blood from your scalp, lice will survive and lay more eggs for up to 30 days. If they fall off, they ...

You carefully combed out the nits (lice eggs), applied and reapplied lice treatment as directed, and washed all the bedding and clothes. You thought your home was (finally) lice-free. Yet, the ...

Head lice are about the size of a sesame seed and can live on a person’s head for about a month, feeding on blood. During that time, they lay eggs called nits, ...

Lice don't spread the way you probably think they do. Here's what to know. As school starts back up, so does the number of head lice cases. But humans have been dealing with the parasites for ...

Medically reviewed by William Truswell, MD Sea lice bites are an itchy rash caused by jellyfish larvae that get trapped in swimsuits after swimming in the ocean. The larvae release toxins that ...

The term “nits” actually describes the eggs of head lice. They’re often the first sign of an infestation. And with one louse laying more than 100 in their month-long lifespan, ...

These require children to be sent home from school or kept out of school if nits (lice eggs) are discovered on their scalps. But such policies have several flaws, according to the CDC.

Sea lice, also called seabather’s eruption, is caused by jellyfish larvae in the ocean that get trapped in your bathing suit and sting you. Here’s how to treat the itchy, red rash.

The mid-Cretaceous bird lice eggs described in this study suggest that early enantiornithines may have been among the first hosts to support the evolution of lice from free-living ancestors to ...