Over the past 20 years, concentrations of pharmaceuticals have increased in freshwater sources all over the world, as research by environmental experts has revealed. Levels of the antibiotic ciprofloxacin have reached the point of potentially causing damaging ecological effects.

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Over the past 20 years, concentrations of pharmaceuticals have increased in freshwater sources all over the world, as research by environmental experts has revealed. Levels of the antibiotic ciprofloxacin have reached the point of potentially causing damaging ecological effects.