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I have GAD. My point is I’m sure the virus can impact some of this but we can’t rule out the fact that we are social beings and this isn’t normal. There is plenty of evidence that lack of human interaction and reduced sunlight can worsen anxiety and depression
There is an observed difference in mental health outcomes between the A). group of those who had covid and B). those that didn't, even though both groups A and B are living under the conditions that you mention.
That suggests a 3rd (at least) variable in addition to those common conditions.
That is how science works. You remove the commonalities and focus on the differences to understand observed differences in results.
Also CD147 and the brain? What is your opinion about this?