If you?ve had a kid in school for long enough, you?re probably familiar with some version of this phrase: ?Your child may have come in contact with someone who has head lice.? Finding that printed on a piece of paper and tucked inside your child?s backpack may send you spiralling into nightmare territory. 
Don?t let it. While lice are certainly a bummer, the good news is they don?t carry viruses or bacteria that can make you or your child sick. What?s more, the American Academy of Pediatrics (AAP) recently changed its guidelines to discourage keeping a child out of school due to a lice infestation.
?Head lice are an unpleasant part of the human experience, but they can be successfully managed and are no reason for a child to miss school,? Dr. Dawn Nolt, lead author of the October report that prompted the updates, said in the official release. With a bit of know-how and the right products, you can treat head lice at home and rid your family of these unwanted visitors.
What is head lice"
Head lice are small, wingless insects that live on the human scalp and feed on the blood of their hosts (ugh!). A single bug is called a louse, while the term for multiple bugs is lice. 
Where do lice come from"
Contrary to popular belief, lice aren?t a result of poor hygiene. In fact, head lice actually prefer clean hair as it is easier for them to attach and lay their eggs. They also don?t jump or fly?they must crawl in order to spread. 
?Head lice are spread mostly from perso...