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Science News for April 4, 2010


Medicine residues may threaten fish reproduction

Researchers have discovered that traces of medicines can be found in fish swimming in treated wastewater. Elevated levels of the hormone levonorgestrel were found in fish blood, leading to infertility. The study highlights the impact of synthetic hormones on fish reproduction and calls for more environmentally friendly alternatives.

SourceUniversity of Gothenburg·JournalEnvironmental Science & Technology·DateApr 4, 2010