Head lice are considered a nuisance — a pest to be evicted from the hair on your head or the head of a loved one with a special comb or shampoo. But there's more to lice than their elimination. These ...

Uncontrollable itching. Sleepless nights. Incredible stench. Uh oh, it looks like you could have a head lice infestation. Where would you get the lice from? How fast would these little critters breed ...