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.
Your liver (hepatic) function is perhaps the most prominent variable to consider when determining how long Valium will stay in your system. If your liver function is impaired, it will take much longer to get Valium out of your system. Research shows that the half-life of Valium increased five times in those with decreased liver function compared to healthy adults.