There are 532 species of lice out there, but let's take a look at the most common type that plagues humans: Head lice (Pediculus humanus capitis). For starters, they have six legs, and each one ...

bought seven bottles of medicated shampoo, emptied six aerosol cans of insecticide and used two bottles of tea tree oil – all at the expense of head lice. Ficker, who has been running a daycare ...