women-face-hidden-fertility-ceiling-despite-donor-eggs

Older women face a lower chance of fertility treatment working, even when using young donor eggs – with a marked drop-off from around the age of 49, new research suggests. Experts studying 1,774 women say the findings challenge the idea that donor eggs can fully “reset” the reproductive clock, butContinue Reading

Proceedings of the National Academy of Sciences, Volume 123, Issue 26, June 2026. SignificanceHuman leukocyte antigen (HLA) genes can predispose to immune-mediated diseases via two mechanisms: a) altering selection of the T cell receptor (TCR) repertoire during T cell maturation or b) affecting presentation of disease-related epitopes …Continue Reading

do-you-have-heart-palpitations?

Do you have heart palpitations? What’s actually happening when your heart skips a beat? Subsection Health Published 1 day ago Related topics Health Heart, from the BBC Read MoreContinue Reading