Tiny prenatal chemical doses harm fetuses while equal adult doses cause no effect

Evidence

Mercury. Exposure in the womb at 100 ppb (parts per billion)—that’s equivalent to one drop in 118 bathtubs—significantly increases learning deficits, while an adult exposed to that same dose suffers no measurable effect. — Harriet A. Washington, A Terrible Thing to Waste, 726

Categorization

• corroborated: 2 independent passages support this claim — Harriet A. Washington, A Terrible Thing to Waste, 726
• recurring: this claim recurs 2 times within its source
• XREF: connects to: The ‘crack baby’ epidemic was a myth that stigmatized black mothers for years — Harriet A. Washington, A Terrible Thing to Waste, 874; Extremely tiny PCB concentrations cause permanent fetal brain and IQ damage — Harriet A. Washington, A Terrible Thing to Waste, 550

Library Connections

• Extremely tiny PCB concentrations cause permanent fetal brain and IQ damage #exemplifies (0.85) — Harriet A. Washington, A Terrible Thing to Waste, 550