Yes…check out this quote about pharmaceutical pollution:
“Scientists generally agree that aquatic life is most at risk, its life cycle, from birth to death, occurring within potentially drug-contaminated waters. For example, anti-depressants have been blamed for altering sperm levels and spawning patterns in marine life. Most studies of pharmaceutical and pharmaceutically active chemicals in water have mostly focused on aquatic animals.
For example, recent British research suggest that estrogen, the female sex hormone, is primarily responsible for deforming reproductive systems of fish, noting that blood plasma from male trout living below sewage treatment plants had the female egg protein vitellogenin. This finding would seem to be consistent with what U.S. researchers suspect has occurred downstream from treatment plants in Las Vegas and Minneapolis. Carp in these areas show the same effects as the British fish.
In general, pharmaceutical pollution is considered a major environmental worry, but there aren’t a whole lot of studies that show what the conclusive effects of this kind of pollution are. There’s more info here:
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