Health

Stress degrades sperm quality

Psychological stress is harmful to sperm and semen quality, affecting its concentration, appearance, and ability to fertilize an egg, according to a study led by researchers Columbia University's Mailman School of Public ...

Health

US fertility clinic mix-up brings calls, questions

The suspect is dead, the fertility clinic where he reportedly replaced a customer's sperm with his own no longer operates, and the clinic left no records that might show the extent of the scandal, the University of Utah said ...

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