So please explain the findings within this article
https://onlinelibrary.wiley.com/doi/full/10.1002/ajh.25731 which shows a clear correlation between higher levels of heavy metals in the blood and leaukaemia - we are not talking poisoning levels, but quite low at 25 nmols/lt of for lead.
I am working with a team who have taken the above research are now developing cancer treatments on removing the low levels of lead. Early results are remarkable, and rather reinforce the wider science that any level lead is harmful.
To put it on a scale, vintage man was at 1 on lead in the body, industrial man is at 1000 and poisonous is at 4000. The cancer levels are at 1500.
And lead accumulates. Non of the study cohort had any more exposure than normal environmental - they were not working with lead per se. So any time you ingest lead, a fraction will be dissolved in stomach acids and adsorbed, and once there it cannot removed without drugs.
I took the same view that lead was not that bad until I started working with the above group.