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Longer Testing Period: While most urine drug tests can evaluate a sample for no longer than 2 weeks, a hair sample can be tested for as long as 90 days. Additionally, the body only retains remaining traces of drug use for a short span whereas hair follicles retain those traces directly in the hair follicle [...] Tried and True Method: There are years worth of experience behind urine drug testing as it has been the standard for of testing in schools, homes, jails, and workplaces for many years. For this reason, urine based testing is proven to be accurate and well understood. Reduced Costs: Urine based testing remains less expensive than that [...] |
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