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.
Valium duration of action. The half-life of Valium is 20 hours, sometimes longer. It reaches peak levels in the blood just 1-1.5 hours after being taken. Despite taking several days to leave the body, the effects wear off within 4-6 hours, so it does need to be taken throughout the day. Valium time in the body. How long does diazepam stay in your system? Valium (diazepam) can stay in the body for weeks and can be detected for at least 3 weeks in urine. In some users, Valium may take 6 weeks to completely clear from the body.