oxazepam

Trace amounts of oxazepam in rivers has large effects on wild perch. Image credit: Brent Christensen Dr. Tomas Brodin (Umea University, Sweden) and colleagues have discovered that trace amounts of the drug oxazepam that ends up in rivers and streams (from toilets) greatly effects local fish. The drug is used to treat anxiety in humans and also calms fish. However, for wild perch, which normally hunt in schools, the antisocial effects of the drug in fish makes them more vulnerable to predation.     Psychiatric medications are not the only drugs found in potential drinking-water…