undescended

Health: Pollution could be behind the rising number of boys born with undescended testicles

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Pollution from industries like coal mining and metal works may be causing more boys to be born with their testicles in the wrong place, a study has warned. Experts from France investigated cases of so-called ‘cryptorchidism’ — a condition in which one or both testicles have not descended into the scrotum by birth. While it … Read more

Cougar inbreeding in California is causing undescended testicles and crooked tails

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Inbreeding among mountain lions in Southern California is leading to genetic abnormalities that threaten the animal’s existence. Biologists with the National Park Service have detected several defects among cougars in the Santa Monica Mountains this year, including crooked tails and undescended testicles. It’s the first time such manifestations have been observed in Los Angeles’ modest … Read more