Wrangling head lice, and the children they infest, must be up there with the most challenging duties a parent or caregiver has to face. And the job is getting harder. Commonly used chemical products ...

You can check for head lice or nits by parting the hair in several spots. Use a magnifying glass and a bright light to help spot them. Lice don't fly or jump; they move by crawling. Because head ...

Head lice affect more than 100 million people worldwide annually. Permethrin (1% formulation) is efficacious but resistance is emerging. Malathion (0.5% formulation) is an alternative, but ...