Italy noticed it first. It was the first country to lock down during the COVID-19 pandemic, and later in 2020, researchers at Florence’s Anna Meyer Children’s University Hospital were the first to point out a puzzling trend: More young girls than ever had been showing up to the hospital with clear signs of early-onset puberty.
The cases weren’t unique, but their frequency was. Since early-onset—or “precocious”—puberty first gained widespread clinical attention in the 1990s, it’s become steadily more common worldwide. Defined as the appearance of secondary sex characteristics such as breasts, pubic hair, and vocal changes or other signs of biological maturity in girls 8 or younger and boys 9 or younger, precocious puberty has been difficult for researchers to attribute to a single cause or mechanism. But a mysterious, pandemic-generated spike in cases—in Italy and beyond—has provided experts with a new opportunity to revisit their dominant theories in hopes of an answer. Case studies have now rolled in from clinics around the world, many of whom saw at least a two- or three-fold increase in precocious puberty diagnoses after March 2020. In China’s Henan Province, for example, doctors at 22 facilities saw five times more cases in 2020 than they did in 2018.
[It’s yet another example of the damage that lockdowns did to children, and not just in the US. And yet another example of how the medical and political establishment got it wrong in claiming that remote learning and lockdowns would be nearly cost-free. — Ed]
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