Ellen Maxwell from Melbourne Pathology, could be the way the antigens influence a substance called von Willebrand factor, which causes our blood to clot.
“Levels of this are 20-30 per cent lower in people with type O, meaning their blood is simply less sticky compared to non-O individuals,” Ellen explains.
Sticky blood is also thought to be why risk of stroke is higher in A, B or AB types.
Men with these blood types are also more likely to experience erectile dysfunction because the thicker blood may not reach the
