Liberal policies => longer lives?

A recently published paper claims that people in states that have "liberal" economic/environmental/gun policies tend to live longer than people in states that have "conservative" policies.

Quote:

More conservative marijuana policies and more liberal policies on the environment, gun safety, labor, economic taxes, and tobacco taxes in a state were associated with lower mortality in that state...Simulations indicate that changing all policy domains in all states to a fully liberal orientation might have saved 171,030 lives in 2019, while changing them to a fully conservative orientation might have cost 217,635 lives.

https://journals.plos.org/plosone/ar...l.pone.0275466

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