1. Drug Testing
Studies show that a hair test tests positive more than twice as many times as a urine test. ... Gombos also states that labs usually use the hair one and a half inches from the scalp; however, some labs can take out enough hair to have a three-year history (8). The author of "Onsite Drug Testing" states that for a thirty-day history labs take a half of an inch and for a ninety-day history they take an inch and a half. Some labs may want a six-month history and take up to three inches of hair. ... These include the blood test, saliva test, and the sweat test. ...
- Word Count: 1195
- Approx Pages: 5
- Has Bibliography
- Grade Level: High School