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Comment by simianparrot

10 hours ago

Gee I wonder why. Maybe controlling your borders actually helps prevent illicit goods from entering your country? Crazy take I know, can’t be true because it’s the T man that’s behind it

This has been talked about lately, the drop has nothing to do with trump. The data in this chart goes up to Oct 2024, several months before trumps took office.

https://cdn.jamanetwork.com/ama/content_public/journal/jaman...

The reasons stated in the article have nothing to do with border enforcement, and observed supply shock started before 2024. The most recent year of data mentioned in the article ended in April 2025. But by all means, if you have information these researchers don’t, feel free to share it here.

> Canada has a similar opioid epidemic but a different supply chain, largely skipping over Mexico. Because Canada saw similar falls in fentanyl strength, the researchers hypothesise that the supply shock was caused by something changing in China.