In a nutshell Female cells randomly use either the maternal or paternal X chromosome—this study shows that relying more ...

The X contains more genes related to brain function than does any other chromosome. “The X chromosome may be a treasure trove of genes that influence cognition, and these could be therapeutic targets, ...

Could science help prevent birth defects? This National Birth Defects Awareness Month, here's the breakthrough every couple ...

WASHINGTON — Speaker Mike Johnson, R-La., has informed Rep. Mike Turner, R-Ohio, that he will no longer be chairman of the House Intelligence Committee, according to a GOP leadership source and ...

What is Cushing's syndrome? Cushing's syndrome is a hormonal disorder. It’s caused when you have high levels of the hormone cortisol over a long time. Cushing's syndrome is fairly rare. It most often ...

New research is offering deeper insights into the role of the active X chromosome and its effects on brain health.

Mutations in the X chromosome often cause intellectual disability, and women born with just one X chromosome (a diagnosis ...

A study finds that female mice using only a maternal X chromosome experience faster brain aging, leading to memory loss.

Female mammals typically carry two X chromosomes — one from each parent — and a new study suggests that the maternal X is ...

Researchers aim to continue studying the role of the X chromosome in brain aging, and whether it can explain people’s risk of ...