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.
182. 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.We invite your questions about Valium drug screens at the end.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.