Caffeinated crabs, anti-depressed dolphins, and feminized fish, oh, my! Can you imagine what would happen if sea creatures had access to your medicine cabinet? Well, they do. Pharmaceuticals from humans make their way into the ecosystem either through excretion into urine or by people disposing of old medications down the toilet. The first of these sources then flows with sewage, which has already been described by this series, out from leaking septic systems or through ocean outfalls into the sea.
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