A High Court judge is set to rule on an NHS England decision not to fund a drug that can prevent HIV - a treatment campaigners call a "game changer".

A new analysis of congenital heart disease has found affected children often inherit damaging gene variants from their seemingly healthy parents.

Women who have had their appendix or tonsils removed appear to be more fertile, a 15-year study of more than half a million British women suggests.

A woman calls for the chickenpox vaccination free for all on the NHS after her son had what is thought to be the "worst ever case".