Stroke mortality rates have been declining in almost every country, and that reduction could result from a decline in disease occurrence or a decline in case fatality, or both. Broadly - is that decline down to better treatment or better prevention.

Olena Seminog, a researcher, and and Mike Rayner, professor of population health, both from the Nuffield Department of Population Health at the University of Oxford, join us to discuss their study which has used a large database to try and determine what has most affected stroke mortality.

Read the full open access research paper:

https://www.bmj.com/content/365/bmj.l1778