Native American History. Native American cultures in the United States include a wide array of socially and geographically diverse groups, whose nomadic ancestors are believed to have traveled via a long-gone land bridge across the Bering Strait at least 13,000 years ago.
A: Klonopin (clonazepam) is a benzodiazepine that is used to treat anxiety and panic disorders. According to the package insert, it has a half-life of 30-40 hours. The half-life represents the time it takes the body to reduce the amount of clonazepam by half.
Valium can stay in your system and be detected in urine for up to 5-7 days after therapeutic use. Chronic use (over one year) of Valium, however, can be detected much longer.The detection window for Valium in urine screens is up to 4-6 weeks. More here on the detection window and drug testing for Valium.alium half life: how long does Valium stay in your system. The half life of any drug, medication or substance is the period of time necessary for 1/2 the drug to be eliminated or disintegrated by natural processes in the body. The half life of Valium is particularly long, 20-80 hours.