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.
1 doctor agreed: 550 Hours(23days): Valium(Diazepam) has half life of 48 hours.Terminal elimination half life of active metabolite N-desmethyldiazepam is approx. 100 hours Valium and it's metabolite will be in your system for 550 ...Read more.