Iron is also a toxin at doses above about 10mg/kg, so, yeah, if “micro iron bolt... | Hacker News

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dragonwriter on Oct 18, 2018 | parent | context | favorite | on: Microplastics found in 90 percent of table salt

Iron is also a toxin at doses above about 10mg/kg, so, yeah, if “micro iron bolts” were liberally distributed among common foodstuffs, that could be a real problem.

brink on Oct 18, 2018 [–]

Too much of a lot of things (i.e. water poisoning, or too much vitamin A) are toxic.

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