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Hunting with lead: Association between blood lead levels and wild game consumption (www.sciencedirect.com)

submitted 4 days ago by Sunshine@lemmy.ca to c/health@lemmy.world

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Wild game hunting is a popular activity in many regions of the United States. Recently, the presence of lead fragments in wild game meat, presumably from the bullets or shot used for hunting, has raised concerns about health risks from meat consumption.

Results

Most participants reported consuming wild game (80.8%) obtained from hunting (98.8%). The geometric mean PbB were 1.27 and 0.84 μg/dl among persons who did and did not consume wild game, respectively. After adjusting for potential confounders, persons who consumed wild game had 0.30 μg/dl (95% confidence interval: 0.16–0.44 μg/dl) higher PbB than persons who did not. For all game types, recent (<1 month) wild game consumption was associated with higher PbB. PbB was also higher among those who consumed a larger serving size (≥2 oz vs. <2 oz); however, this association was significant for ‘other game’ consumption only.

Conclusions

Participants who consumed wild game had higher PbB than those who did not consume wild game. Careful review of butchering practices and monitoring of meat-packing processes may decrease lead exposure from wild game consumption.

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[–] ProdigalFrog@slrpnk.net 6 points 4 days ago* (last edited 4 days ago) (1 children)

I looked into this a while back, and found that the main reason for an increase in lead began when smokeless, high velocity bullets displaced the 'big and slow' bullets of the blackpowder era.

The high velocity rounds go so fast, the bullets break up and spray an ultra fine lead shrapnel further into the muscle around the actual wound cavity, requiring that more of the meat near the wound be cut away and wasted to avoid the contaminated parts. In contrast, older slow bullets stay almost fully intact, meaning the surrounding meat can be cut very close to the wound without fear of contamination.

Most hunters either aren't aware of this fact, or if they are, dismiss it so as not to be seen as a 'lesser man'.

Nowadays there are solutions to this problem in the form of all-copper bullets for rifles, and steel shot for shotguns, which don't use any lead in their construction.

[–] Anon518@sh.itjust.works 2 points 4 days ago

In addition to the bullets themselves, the primer that disperses in your face has lead too. There's a nice graphic here: https://projects.seattletimes.com/2014/loaded-with-lead/1/