Head lice are tiny parasites that attach to human head hair and feed on blood through the skin. Learn about the life cycle, health concerns and control of lice. The Conversation: Head lice are getting harder to kill.

Context Explanation

Here’s how to break the nit cycle Head lice are getting harder to kill. Here’s how to break the nit cycle HAVERTOWN, PA. (WPVI) -- Back to school time brings the return of many things. Unfortunately, outbreaks of head lice in schools are one of them.

Insight Material

A local expert shares her tips on what works, what ... Wrangling head lice, and the children they infest, must be up there with the most challenging duties a parent or carer has to face. And the job is getting harder. Commonly used chemical products ... You get lice by coming into contact either with lice or their eggs.

Final Conclusion

For head lice, female lice make a sticky substance that holds each egg to the base of a hair shaft. Lice is a common concern that can cause intense itching. Learn the three forms of lice and how to identify a lice infestation. Stay calm and beat head lice with this head lice treatment guide based on recommendations from a Johns Hopkins pediatric dermatologist.