I wouldn't doubt it, but it's hard to get back in contact with most of them to confirm. . There was a research paper about an Alaskan rifle team which talks ab

I wouldn't doubt it, but it's hard to get back in contact with most of them to confirm. . There was a research paper about an Alaskan rifle team which talks about short term lead poisoning effects, though. I'd imagine they suffered long term effects. I can't find the longer version after a few searches, though.