From Wikipedia: Lead is one of the largest environmental medicine problems in terms of numbers of people exposed and the public health toll it takes. In an article of the journal Pediatrics says: the possible long-term sequelae of acute lead poisoning remains unclear because has not done a systematic study of the cases. 1.Acute lead poisoning cases from a foreign body (FB): http://archpedi.jamanetwork.com/article.aspx?articleid=189533 2.Acute lead poisoning cases of adults: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1874356/ 3.Criminal contamination of food with lead acetate: http://www.ncbi.nlm.nih.gov/pubmed/1899643 How far toxicologists are to do a reliable prognosis of the case 3? Why is it not possible to follow-up these known cases and draw some conclusions?
“If we were to judge of the interest excited by any medical subject by the number of writings to which it has given birth, we could not but regard the poisoning by lead as the most important to be known of all those that have been treat of, up to the present time” Orfila, 1817 The lead propels the evolution of technology but its pollution reduces IQ. An intriguing paradox. Seems the technological evolution slows down if is not adjusted to the highest industry standards conceivable.