The identical lead exposure can origin broadly changing symptoms of lead intoxication and grades of body part dysfunction in distinct people. According to Howard Hu of Harvard University and his colleagues, an inherent origin may be genetic polymorphism in the [delta]-aminolevulinic unpleasant dehydratase (ALAD) gene.
The group revised ALAD polymorphism and its relative to changed concentrations of skeletal part and body-fluid lead amidst 726 middle-aged and aged men who had been revealed to lead nonoccupationally. Given their ages, these men would have faced now-obsolete ...