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.
Expert: nurse_Dan replied 8 years ago. If you are having a drug test valium is not a good drug to have in your system. It has a very long half life and can stay in your system up to 30 days.Ask Your Own Health Question. Customer: replied 8 years ago.f you have been taking valium medication for a lot times months to years the time to clear your urine is 1 to 4 weeks. If you took a single dose of either of these medications the time to clear would be 1 to 3 days. My states about is for if you have been taking them for a long time. Ask Your Own Health Question.