I suffered severe depression after getting the J&J vaccine - it wasn't even an mRNA vaccine. It became significantly harder to code and my brain felt like it ha

I suffered severe depression after getting the J&J vaccine - it wasn't even an mRNA vaccine. It became significantly harder to code and my brain felt like it had been dragged across concrete. Later it'd be stinging and I was dry heaving. Not fun. I hate to ask - but what sort of research is available so far?