A new way to fight head lice

A new way to fight head lice.
Insecticide-treated underwear won't wipe out lice infestations in derelict shelters, according to a remodelled study. The tactic initially showed some success, but the lice soon developed defences to the chemical, the researchers said damage. Body lice can overlay through direct contact and shared clothing and bedding, and the complication is worsened by overcrowded conditions.