Tag Archives: Reproductive biology

how everyday chemicals are destroying sperm counts in humans and animals

Male fertility: SciePro/Shutterstock Alex Ford, University of Portsmouth and Gary Hutchison, Edinburgh Napier University Within just a few generations, human sperm counts may decline to levels below those considered adequate for fertility. That’s the alarming claim made in epidemiologist Shanna Swan’s new book, “Countdown”, which assembles a raft of evidence to show that the sperm count of western men has …

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