余計な不幸を減らす効果はあるのだよ

 「幸せ」を買うことはできないけどな。もちろん、お金のことである。(⇩)

Changes in the Relationship Between Income and Life Expectancy Before and During the COVID-19 Pandemic, California, 2015-2021

https://jamanetwork.com/journals/jama/fullarticle/2794146