|ceramic glazes||lead water pipes|
|cigarette smoke||leaded gasoline|
|colored ink||manufacture of batteries|
|food cans soldered with lead||mine smelting industries|
|Grecian Formula and Youth Hair||pesticide residues|
|hair dyes||water contaminated with lead from industrial|
Children can also be born with elevated lead, passed through the placenta from their mothers.
Diets deficient in calcium, magnesium, or iron increase lead absorption.