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The article doesn't mention pollution which is a HUGE contributing factor to lower IQ. Leaded gas wiped nearly 10 IQ points off of everyone and is still used i

• _moof 4y ago
  I see this "GA still uses leaded gas" thing thrown around here a lot. And while it's technically true, what I never see accompanying it are any numbers. Things like how many gallons of avgas are burned over time compared to how many gallons of leaded mogas were burned prior to it being outlawed. Or the results of anyone's blood labs. The other day someone was complaining about lead exposure from being near a small airport. Had they been tested and found to have high levels of lead in their blood? Oddly enough, they didn't say. You'd think if they were that concerned, they'd have the numbers to back it up, but they didn't. I'm not saying leaded avgas is good by any means, but I would very, very much like to see some actual quantification of its effects before we all decide it's some kind of global catastrophe on par with having an active nuclear meltdown in every living room on Earth.
  • throwawayboise 4y ago
    Yeah, while there's no "safe" level of lead ingestion, not only do we not use leaded gas in cars, commercial aviation (with very few exceptions) does not use it either, and the private/general aviation piston-engine planes are emitting it several thousand feet in the air, not at street level around houses and people. We should get rid of lead in aviation fuel, but it's not a substantial source of environmental lead these days.