If you thought your mom looking through your sock drawer was a major breach of privacy, just imagine her picking a hair off your shirt and sending it away to the drug lab. For parents trying to find out what their teens are doing, home drug testing may be the ultimate snooping device. With a home drug-testing kit, a parent can get the 90-day drug history of his or her child from something as simple as a piece of hair. [continues 433 words]