Snooky, I realise you may have simplified of 'dumbed down' your post for the general audience, but a couple of points caught my eye:
Originally Posted by
snooky
I had the blood tests 5 years after I retired. In particular there were unusually high levels of benzine and toluene.
What symptoms led you to get tested for benzine and toluene 5 years after you stopped flying?
..."genetic testing revealed that I am not good at removing toxins"
Can you add some detail to that?