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16 Cards in this Set
- Front
- Back
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Lead Poisoning was documented in... |
Ancient Rome Greece China |
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Is lead natural? |
It's a naturally occurring metal and very stable and accumulates in environment |
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Is most lead encountered today organic or inorganic? |
Inorganic |
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Which type of lead does the body absorb faster? |
Organic lead (the kind used in gasoline and machines) |
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What kind of inorganic lead is absorbable? |
Inorganic lead as a divalent cation PB+2 |
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Even under the most optimisticestimates, of the 30 years ofincreased life expectancyachieved between the 1890s and1990s, how many years can beattributed to medicalcare? |
Only 5 years are attributed to medical care |
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In 1970, what blood lead levels were considered toxic? |
Over 60 |
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Do children or adults take in more lead? |
Children because for their proportion, they eat more, drink more and absorb more stuff |
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Has the lead blood level threshold increased or decreased? |
It has decreased from 60 to 30. |
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Has lead in gas & paint increased or decreased? |
Decreased |
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Has lead poisoning threshold increased or decreased? |
It has decreased from 60 to 10. |
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How does society benefit from lowering lead levels? |
Reducing blood lead by 10 raised IQ by 2.6 (1.9-3.2 pts) |
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What is the economic value of an IQ point? |
$14,500 |
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What is the economic benefit of preventing lead exposure in US cohort? |
- Annual cohort ofchildren reaching 2years of age: 3.8million - Estimated benefit pereach year’s cohort:$213 billion($110 - $318 billion) |
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How many degrees has the temperature risen since 1880? |
1.4 degrees Fahrenheit |
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Where has the land gotten the hottest? |
Alaska and Eastern Europe |
