Tag Archives: Sperm

vchal/Shutterstock Chris Barratt, University of Dundee Sperm count in men from North America, Europe, Australia and New Zealand declined by 50-60% between 1973 and 2011, according to a new study from the Hebrew University of Jerusalem. Surprisingly, the study, which analysed data on the sperm counts of 42,935 men, found no decline in sperm counts in men from Asia, Africa …

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 …