« Reply #55 on: Thursday 05 October 17 19:19 BST (UK) »
I found the episode interesting too, but I couldn't help wondering why nobody put two and two together about the ancestors health history which I think was probably the result of working in dentistry which used mercury for filling teeth.
Old fashioned Hatter manufacturers who used mercury to style their hats was where the saying "Mad as a Hatter" originated.
Good point, except that I think it was the other sister, and their mother who had the mental health condition.
I can't recall how many family members were living together when the husband and wife practiced their dentistry. Ruby mentioned her mother had bouts of irrationality and was afraid the cause could be genetic. Then we were transported back to Austria where we heard the older generation had a dentistry laboratory. It seemed that the dentist at one time practiced from home, so how many of his relatives could have been affected -we don't know. It's hazardous not to wash your hands after touching liquid mercury, but there's also dangers from inhaling vapour when the mercury is mixed with the amalgum, this could affect unborn babies.
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