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.
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.
Valium can be detected in a urine test for up to 1-6 weeks. Blood tests for Valium can detect the drugs for up to 6-48 hours. A saliva test can detect Valium for 1-10 days. Valium, like many other drugs, can be detected with a hair follicle drug test for up to 90 days.