How effective is hair follicle testing in detecting drug usage?
• Does treatment of the hair affect test results? • What is external contamination? • How fast does head hair grow? • Can tests be run on people with little or no hair? • Can hair collected from a hairbrush be used? • What are the different domains in a hair fibre? How they can affect hair drug testing? • How soon after use can a drug be detected in hair? • Does external exposure to certain drugs like marijuana or crack smoke affect the Hair Test results? • Does hair color affect results? • How a hair follicular Drug test is peformed in Laboratory? • What are the different means by which people try to cheat Hair Drug Tests? • What if some detoxifies the ingested drugs? • What are the different prescription type drugs? • What are opioids? • How do opioids affect the brain and body? • What are the possible consequences of opioid use and abuse? • Is it safe to use opioid drugs with other medications? • What are CNS depressants? • How do CNS depressants affects the brain and the body? • Wh
In comparison to a urinalysis drug test, cocaine, PCP, opiates, and methamphetamine have proven hair analysis far more effective than urine testing in identifying low-level drug use over an extended period of time since these are normally out of the bloodstream in within 3-7 days (see drug detection times). The detection of marijuana is currently less sensitive than the other drugs in identifying low level drug users, but is considered approximately equal to urinalysis in identifying marijuana users. The detection period for hair is limited only by the length of the hair sample and is approximately 90 days for a standard screen.
Hair analysis far more effective than urine testing in identifying low-level drug use over an extended period of time since these are normally out of the bloodstream in within 3-7 days. The detection of marijuana is currently less sensitive than the other drugs in identifying low level drug users, but is considered approximately equal to urinalysis in identifying marijuana users. The detection period for hair is limited only by the length of the hair sample and is approximately 90 days for a standard screen.
When compared with the other drug testing, hair testing analysis has proven that it is more effective in identifying low-level drug use over an extended period of time, as the other tests are normally out of the bloodstream in within 3-7 days. The detection of marijuana is currently less sensitive than the other drugs in identifying low level drug users, but is considered approximately equal to urinalysis in identifying marijuana users. The drug detection period for hair is limited only by the length of the hair sample and is approximately 90 days for a standard testing. Hair Drug Testing provides much longer window for detecting the substance. This testing has been proven to be more effective and less invasive than other alternatives. Moreover, it cannot be used if the donor has no hair on their body. Article Source: http://www.articleclick.com/Article/Hair-Drug-Testing/960342 About the Author: DrugAlcoholTest.com is an online store offering Drug Test and drug screening products in se
