Harriet A. Washington β A Terrible Thing to Waste
Yield
60 of 1850 paragraphs kept (3.2%).
Thesis
Convergent correlational evidence should justify action absent perfect scientific certainty Β· ch. 3
Argument
- Lead poisoning costs the US billions of dollars and millions of IQ points yearly β ch. 3
ββ
#pays-offβ A small average IQ drop hugely swells rates of disability and shrinks giftedness - Claiming IQ gaps are immutable functions as a self-fulfilling excuse for inaction β ch. 3
ββ
#builds-onβ Convergent correlational evidence should justify action absent perfect scientific certainty - Iodine deficiency is a major unrecognized cause of lowered intelligence β ch. 3
ββ
#pays-offβ Adding iodine to salt closed a 15-point IQ gap cheaply - Tens of thousands of US industrial chemicals remain untested for human harm β ch. 3
ββ
#builds-onβ US regulation demands proof of harm before restricting industrial chemicals - Adding iodine to salt closed a 15-point IQ gap cheaply β ch. 3
ββ
#pays-offβ Claiming IQ gaps are immutable functions as a self-fulfilling excuse for inaction - US regulation demands proof of harm before restricting industrial chemicals β ch. 3
ββ
#builds-onβ Convergent correlational evidence should justify action absent perfect scientific certainty - Intelligence is malleable and shaped by environment, not fixed by heredity β ch. 3
ββ
#instantiatesβ Rapid IQ gains from reduced disease burden rule out genetic explanations ββ#pays-offβ Genetic causation of a trait does not imply the trait is unchangeable ββ#pays-offβ Population IQ scores have risen rapidly over decades, refuting fixed-IQ claims - Population IQ scores have risen rapidly over decades, refuting fixed-IQ claims β ch. 4
- Testing policy alone, not genetics, determines who is labeled gifted β ch. 4
ββ
#instantiatesβ Claiming IQ gaps are immutable functions as a self-fulfilling excuse for inaction - IQ testingβs inventor never intended it to measure fixed innate intelligence β ch. 4
ββ
#builds-onβ Intelligence is malleable and shaped by environment, not fixed by heredity ββ#pays-offβ Testing policy alone, not genetics, determines who is labeled gifted - Genetic causation of a trait does not imply the trait is unchangeable β ch. 4
ββ
#builds-onβ Population IQ scores have risen rapidly over decades, refuting fixed-IQ claims - Mixed-race childrenβs IQ tracks rearing environment, not racial genetics β ch. 4
ββ
#instantiatesβ Intelligence is malleable and shaped by environment, not fixed by heredity - Researchers actively steered black children into lead-tainted homes for a study β ch. 5
ββ
#builds-onβ Industry deflected blame for poisoning onto the intelligence of minority parents - Industry chose profitable lead additives over safe unpatentable alternatives β ch. 5
ββ
#instantiatesβ Lead poisoning costs the US billions of dollars and millions of IQ points yearly - A small average IQ drop hugely swells rates of disability and shrinks giftedness β ch. 5
ββ
#builds-onβ Pre-market chemical safety testing would save more than it costs - Pre-market chemical safety testing would save more than it costs β ch. 5
- Industry deflected blame for poisoning onto the intelligence of minority parents β ch. 5
ββ
#instantiatesβ Claiming IQ gaps are immutable functions as a self-fulfilling excuse for inaction - Monsanto knew decades early its PCB dumping was lethally toxic and hid it β ch. 6
ββ
#builds-onβ Extremely tiny PCB concentrations cause permanent fetal brain and IQ damage - Race, not income, best predicts where toxic waste sites are located β ch. 6
ββ
#instantiatesβ Race, not chance, determined toxic waste site placement in Houston ββ#instantiatesβ Officials sited toxic PCB dumping in a black county despite contrary scientific criteria - US law requires proof of racist intent, not just disparate impact, to win β ch. 6
ββ
#builds-onβ Courts dismissed racial motivation in toxic siting despite strong circumstantial evidence - Extremely tiny PCB concentrations cause permanent fetal brain and IQ damage β ch. 6
ββ
#instantiatesβ Flintβs lead-contaminated water caused hundreds of excess fetal deaths and miscarriages - Flintβs lead-contaminated water caused hundreds of excess fetal deaths and miscarriages β ch. 7
- Commercial baby food commonly contains lead exceeding federal limits β ch. 7
ββ
#instantiatesβ Foods labeled βgenerally recognized as safeβ are often never actually tested for safety - The βcrack babyβ epidemic was a myth that stigmatized black mothers for years β ch. 7
ββ
#builds-onβ Tiny prenatal chemical doses harm fetuses while equal adult doses cause no effect - Tiny prenatal chemical doses harm fetuses while equal adult doses cause no effect β ch. 7
- Toxocara canis infection lowers IQ independent of socioeconomic and racial factors β ch. 8
ββ
#instantiatesβ Rapid IQ gains from reduced disease burden rule out genetic explanations - Rapid IQ gains from reduced disease burden rule out genetic explanations β ch. 8
- Eugenic ideology suppressed research into infectious causes of low IQ β ch. 8
ββ
#pays-offβ Toxocara canis infection lowers IQ independent of socioeconomic and racial factors - National infectious disease burden strongly predicts average national IQ β ch. 8
ββ
#pays-offβ Eugenic ideology suppressed research into infectious causes of low IQ - A large share of herbal supplements are secretly adulterated with undisclosed pharmaceuticals β ch. 10
- Erring toward banning suspect chemicals is far less costly than erring toward permitting them β ch. 10
ββ
#builds-onβ The precautionary principle should override demands for exhaustive proof before acting - Hundreds of thousands of minority students attend schools near toxic contaminated sites β ch. 10
ββ
#instantiatesβ Race, not income, best predicts where toxic waste sites are located - Foods labeled βgenerally recognized as safeβ are often never actually tested for safety β ch. 10
ββ
#instantiatesβ Tens of thousands of US industrial chemicals remain untested for human harm - The precautionary principle should override demands for exhaustive proof before acting β ch. 10
- Race, not chance, determined toxic waste site placement in Houston β ch. 11
- Perceived safety, including from nature, physiologically switches off chronic stress responses β ch. 11
ββ
#builds-onβ Hundreds of thousands of minority students attend schools near toxic contaminated sites - Officials sited toxic PCB dumping in a black county despite contrary scientific criteria β ch. 11
ββ
#builds-onβ Race, not chance, determined toxic waste site placement in Houston - Courts dismissed racial motivation in toxic siting despite strong circumstantial evidence β ch. 11
- Environmental justice activism today parallels the civil rights movementβs uphill struggle β ch. 11