The increase in the prevalence of MS is actually also very easy to explain: fewer people are dying of it. Between 25 and 50% fewer. So, more people live with the disease, which means that more people have the disease, which means higher rates of MS.

Of course, it’s also completely untrue to say that the rates have doubled. At best, they’ve increased a little bit over the last few decades.

Get the Medium app

A button that says 'Download on the App Store', and if clicked it will lead you to the iOS App store
A button that says 'Get it on, Google Play', and if clicked it will lead you to the Google Play store