MeSH tree: C12.050.351.875.253
Testing the biological sex of an athlete is becoming more common in sport, with governing bodies defending the practice as safeguarding fairness for women. But as the introduction of mandatory genetic testing raises questions ...
Feb 7, 2026
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Adrenal hormone function was restored in animal studies, potentially paving the way for a functional cure for primary adrenal insufficiency in humans, according to research presented by Aspect Biosystems at ENDO 2025, the ...
Jul 15, 2025
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Height is one of the most evident sex-based differences observed in humans, as men are on an average 13 cm (5 inches) taller than women. Sex hormones certainly play a significant role in driving this dimorphism, but they ...
Acne that won't go away. Hair thinning at the crown. Unwanted facial hair, unpredictable periods, mood swings and weight gain. For millions of women, these aren't just annoying symptoms—they're signs of a deeper, often ...
May 15, 2025
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In a groundbreaking series of surgeries, doctors at Duke Health have successfully performed the world's first living mitral valve replacement, saving the lives of three young girls across North Carolina.
Mar 3, 2025
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More than half of all men with Klinefelter syndrome (KS) are unaware that they have the condition. Among those who do receive a diagnosis, only about half get the treatment they need.
Feb 13, 2025
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Researchers from the University of Otago—Ōtākou Whakaihu Waka have created a world-first epigenetic tool that has implications for medicine, sports, and agriculture. In a study published in the journal Proceedings of ...
Jan 27, 2025
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Women are born with two X chromosomes and inherit one from each parent. But in every cell of their body, just one X chromosome is needed—so the other is randomly inactivated. Some cells use only a maternal X chromosome; ...
Jan 22, 2025
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Why have males been overrepresented among geniuses in STEM fields so far? A popular biological psychological explanation is the "Extreme Male Brain Theory" (EMB), which suggests that an overdose of prenatal androgen (male ...
Jan 8, 2025
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How does an extra X chromosome lead to infertility in men? Professor Qiao Jie and her team at Peking University Third Hospital revealed why Klinefelter syndrome, a common genetic condition affecting one in every 600 men, ...
Nov 8, 2024
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