Lead Poisoning
Lead Poisoning
Uses and Sources of Lead
More Uses and Sources of
Lead
Absorption of Lead
Absorption of Lead
Contribution
of
Sources
Reduction of Lead hazards
in the home
Distribution of Lead
Release of lead during
osteolysis
Lead movement
Data from the US NHANES 3
study showing the second peak of lead levels in adulthood. Higher adult male
levels reflect occupation and hobby. High risk occupations would be even
higher. Women get a post-menopausal peak.
Lead and Race. Data from
the US NHANES 3 study showing differences with race –probably reflecting
differences in accommodation and occupation
Health Effects of Lead
Recommended Lead level
<0.48 µmol/L (10 µg/dL)
Symptoms from lead are
rare!
Lead and Neurodevelopment
Lead and IQ
Toxicology of Lead 1
Toxicology of Lead contd
Toxicology of Lead 3
Toxicology of Lead 4
Lead and the Elderly
Dementia and lead 1
Dementia and Lead 2
Niklowitz WJ
Neurofibrillary changes after acute experimental lead poisoning.
Neurology 1975 Oct;25(10):927-34
Unresolved Questions
Incidence of Elevated
Blood Leads Sydney 1996 Mira Et Al.
Slide 29
"If your child is
aged..."
U.S. Lead Situation 1
U.S. Lead Situation 2