Scientists have discovered a new gene that could save lives and prevent disability from a stroke.
People with a mutant form of the ABO gene (which determines blood groups), are more likely to have certain types of stroke, they said.
Researchers identified differences within the gene, linked to blood clotting, one of the main causes of a stroke.
More top news
Experts say a trial into an early Ebola vaccine shows it is safe, but did not perform as well as had been hoped.
Frequent snowfall expected across much of the north this evening and strong northeasterly winds will make it feel noticeably cooler.
A Jewish leader was forced to escape from the camp through a window last night, when he was locked in during a TV broadcast.