Background 46,XX testicular disorder of sex development is a rare genetic syndrome, characterized by a complete or partial mismatch between genetic sex and phenotypic sex, which results in infertility ...

Since ancient times, scientists and philosophers have pondered the fundamental question of what makes some organisms male and some female. Some hypotheses were at least plausible—Greek philosopher ...

Adolf Hitler had a hidden genetic disorder that would likely have hindered the development of his sexual organs, new analysis of his DNA has uncovered. The Nazi dictator had Kallmann syndrome, which ...

* Five shared genetic factors explain most inherited risk across 14 psychiatric disorders * Disorders within the same genetic group show minimal genetic differences * Findings //support biology-based ...

A new study shows how certain genes can lead to brain disorders like autism, epilepsy and schizophrenia. NPR's Jon Hamilton reports that the research also hints at ways to prevent or treat those ...

Adolf Hitler had a rare genetic disorder that would have impacted the normal development of his sexual organs, according to new research. Scientists made the discovery through analysis of a sample of ...

Wondering what really causes borderline PD? New neuroscience discoveries suggest that genetics and brain irregularities may ...

Key points Over 99% of people are unambiguously male or female: hormones, physiology, and chromosomes align. Intersex disorders are usually the result of excess androgens in females or insufficient ...

Mr. Melia’s “Have we opened Pandora’s box when it comes to gender-related issues?” is based on the fallacious belief that sex is binary: female (XX) or male (XY). According to scientificamerican.com, ...