So here's how it is. You have a source of microwave radiation. Imagine putting your head in a microwave set on low. You'll get all kinds of problems over time. Cancer with high doses because of the dna damage, cellular and neural damage at the lower doses, which of course affects memory and learning.
https://mmrjournal.biomedcentral.com/articles/10.1186/s40779-017-0139-0