Geomagnetic disturbances caused by solar activity could be increasing the risk of heart attacks here on Earth, according to a recent study that forms part of a growing body of evidence on the topic. The rest of this article is behind a paywall. Please sign in or subscribe to access the full content.

Almost one year ago, NASA announced that the Sun had officially reached solar maximum, the high point of activity in its 11-year cycle. From an astrophysical perspective, we’re able to analyze our star in more detail than ever before , so this current solar cycle will be the best-studied on record. This is also why you may have heard more than usual about solar storms and incredible aurorae over the last couple of years.

But understanding the enormity of the forces behind geomagneti

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