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
Thirty facts about Prince Harry to celebrate his coming of age.
Django Unchained actress Danièle Watts was handcuffed by police after she was seen "showing affection" to her partner, NBC News reported.
A US news anchor has told viewers he only has four to six months to live on air, after he was informed that his brain tumour was inoperable.