5 things you need to know about strokes
There are an estimated 17 million strokes worldwide each year, and they're on the rise in poorer countries.
Professor Werner Hacke is the President of the World Stroke Organization. He was Professor and Chairman of the Department of Neurology, University of Heidelberg, from 1987 to 2014 and holds now a Senior Professorship of Neurology at the University of Heidelberg.