A urine test from a 13 year old boy in Pennsylvania: A urine test from a 50 year old woman in California: “I’ve heard that urine and hair tests for heavy metals (including Lead) were not ‘real’ or ‘useful’ test results. Why is this?” I had personally heard urine and hair test results for heavy metals (including … Continue reading I heard that urine and hair tests for heavy metals (including Lead) were not “real” or “useful” test results. Why is this?