My mom did too (and suffered panic attacks too so I just thought I took after her). I think this is a cumulative toxin from generation to generation and one of the reasons, in addition to thimerosol, that we have had an explosion of autism, ADD, ADHD and autoimmune diseases.

The dentist who placed my amalgams had kidney failure (had a transplant) and has dementia (two biggies for the mercury toxic person).