If you look this up, you will see that there’s a multitude of reputable sources talking about this correlation. The correlation was fairly recently discovered. From what I’ve read on this subject, it is something to do with the magnetic fields interfering with the heart’s natural electrical signals in the same way that these magnetic fields can cause power grids to malfunction or fail. I’m wondering if our sun entering a solar maximum could be behind the increase in fit and healthy young people dying from sudden heart problems in more recent times. The rate of fluctuation in severe geomagnetic storms can exceed five hundred nt per minute.