Sweden: Anxiety drug found in rivers changes fish behaviour

Guardian: Drugs to treat anxiety in people may alter the behaviour of fish when the chemicals are flushed into rivers, according to scientists. Swedish researchers found that European perch exposed to tiny concentrations of a drug became less sociable, ate more and became more adventurous – all changes in behaviour that could have unexpected ecological impacts on fish populations. When scientists at Umeå University in Sweden screened rivers for pharmaceuticals they found that a drug for treating anxiety,......

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