Falling sperm counts could 'wipe out humans'

Studies show 'shocking' fall of 50 per cent over last 40 years

sperm to egg
(Image credit: Zappys/Flickr)

Sperm counts among men around the world have more than halved, leading to fears the human race could face extinction unless a solution is found, according to new research.

Scientists examining nearly 200 studies from the last 40 years say sperm counts have halved among men from North America, Europe, Australia, and New Zealand.

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