MeSH tree: C12.800.316.795
I teach a university course called Hormones and Behaviour. What surprises students is that biological sex is not produced by a single switch. What surprises me is that many students have never been taught this before. It ...
Aug 14, 2026
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Men and women are not born with the same risk of heart disease, and for decades scientists have struggled to explain why. A new study from the University of North Carolina at Chapel Hill, published in Genes & Development, ...
Jul 14, 2026
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An estimated 7% of all men are affected by infertility. Multiple animal studies indicate that exposure to persistent environmental chemicals in early life can negatively impact male reproductive health, and now a human study ...
May 5, 2026
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Researchers at the University of Ottawa and the Institute of Hydrobiology of the Chinese Academy of Sciences have discovered a new role for reproductive hormone secretoneurin (SN) and, for the first time, explained how it ...
Apr 22, 2026
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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 ...
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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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; others ...
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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