A few days ago, I watched this short documentary, part of it covered Heliobiology, which the documentary said is an emerging field of science that began in Russia.
The Heliobiologists claimed that magnetic storms caused by solar flares cause all kinds of health problems in humans. Literally every health problem is named, from suicides, to heart attacks, to even terrorist attacks.
After Googling this and looking at some papers, I noticed a few things.
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The papers find correlations between magnetic storms and some kind of negative health effect, and go on to heavily imply or say that negative health effect is caused by the magnetic storms.
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Magnetism is always blamed as the factor causing these negative health effects (not radiation), but the papers don’t go into detail. I saw one saying that since blood is magnetic, magnetic storms can cause heart attacks by disrupting blood flow.
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Most of the papers I read on this mention “Schumann resonances”, and sometimes “pineal gland” crystals.
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Most of the papers are brand new, within the last few years.
It is absolutely nonsense. People are subjected to stronger, more direct magnetic fields all the time in MRI’s, and MRI’s are substantially safer than most other imaging modalities in medicine (besides ultrasound). The amount of radiation from non-atmospheric sources vastly outweighs the cosmic (non-UV) radiation humans are subjected to, to the point that it’s not really even worth considering outside of maybe astronauts or people who take long-haul high altitude flights extremely frequently.
The amount of ferrous material in blood is negligible at best, and there’s an estimated 3 to 4 grams of iron in the entire human body. The pressure from your heart pumping and the relatively high percentage of blood’s mass that is not iron (about 5kg) means that the effect of the iron if it was responsive to magnetic fields is slim to none.