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by SideburnsOfDoom 235 days ago
While that deals with deliberate poisoning, when it comes to environmental contaminants such as lead and other heavy metals, or PM10s from vehicle exhausts, the other by-products of coal power stations and wood fires etc. I suspect that long-term exposure to these is not something where "you can build a tolerance" is a useful framing at all. Even if you technically do, it's irrelevant to the harm caused over time to whole populations.