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.
it depends on the power of vallium, if it is 2mg then it will take 24 hours. if it is 5mg then it takes 48 to 72 hours. if it is 10 mg then it takes 5 days to leave. whaâ¦t if u took 13 valium 10 3 days ago and u never take them how long will they be in your system. 3 people found this useful.