Lead's subtle health impacts

The National Toxicology Program reviewed epidemiological studies of health effects from exposure to lead at levels in the bloodstream of 10 micrograms per deciliter. Among their findings for children and adults:


•Increased attention-related behavioral problems, lower performance in school and lower IQ

•Delayed puberty and reduced growth after birth


•Decreased kidney function

•Increased blood pressure and hypertension

• Also, "limited" evidence of increased deaths from heart attacks.

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