Meta-analysis finds sperm counts dropped 50%, media predicts human extinction

Enlarge (credit: Getty | BSIP) Men’s spunk may be getting noticeably less spunky in some high-income countries, according to a meta-analysis of international swimmers. Skimming and re-examining sperm data from 185 past independent studies, researchers estimated that sperm counts of men from select high-income regions—North America, Australia, New Zealand, and Europe—dropped about 52 percent between […]

‘Very worrisome’: Sperm counts have declined by more than half for Western men

Sperm counts for men in North America, Europe, Australia and New Zealand have declined by more than 50 per cent in the last four decades, according to a new study. The researchers, however, found no significant decline among men in South America, Asia and Africa. CBC | Health News

Sperm count: Drinking THIS many cups of coffee a day can harm male fertility

In the UK we drink approximately 55 million cups of coffee per day, according to the British Coffee Association. Indeed, it’s the most widely-consumed psychoactive drug in the world. This is where a chemical substance acts on the  central nervous system to alter brain function, which can change perception, mood, consciousness and behaviour. Recent research […]

A group of Dutch children may sue their sperm donor father on grounds that they ‘should not exist’

A court in the Netherlands ruled Friday that a group of Dutch families can conduct DNA tests to determine whether their children were fathered by the deceased director of a fertility clinic who’s suspected of substituting his own sperm for that of listed donors. Midway through the BBC’s write-up of this strange case is this […]

Non-mutant mice sired from space sperm boost hope of cosmic human conception

Enlarge (credit: Georges Méliès) To ensure the long-term survival of humankind, we might as well shoot for the Moon. In 2013, Japanese researchers did just that by launching freeze-dried mouse sperm into space. The goal was to see if mammalian swimmers can maintain their spunk amid harsh cosmic radiation—which they’ll undoubtedly have to endure for […]

Infertility cure? New test can tell difference between men’s good and bad sperm for IVF

Infertility is defined as a couple’s inability to become pregnant after a year of regular and unprotected sex. Female fertility used to be the focus, but now male factors account for 30 per cent of fertility issues. Part of the reason is that levels of sperm in men are falling. Recent research has linked it […]