It's no surprise that chemicals can get flushed into our water supply from the pills we take. But as the world's population grows, the rampant consumption of pharmaceuticals has become an emerging threat to the world's freshwater ecosystems, researchers said.
The research, presented at the European Geosciences Union General Assembly on Tuesday, warns that if no action is taken to mitigate the flow, the amount of drug waste entering waterways such as rivers and lakes could increase by 65 percent by 2050, endangering fish and other species' health.
Francesco Bregoli, a postdoctoral researcher at the IHE Delft Institute for Water Education in the Netherlands, and his international co-hort developed a model showing global "hotspots" of water with high concentrations of pharmaceuticals.
To do this, the researchers analyzed the global consumption of diclofenac, a common painkiller used by millions across the globe, and its occurrence in freshwaters.
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