Not really, it’s due to healthier moms and sanitation, as evidenced by socioeconomic disparities in infant mortality and higher infant mortality in the U.S. rel

Not really, it’s due to healthier moms and sanitation, as evidenced by socioeconomic disparities in infant mortality and higher infant mortality in the U.S. relative to other developed countries. The U.S. example in particular refutes your “overwork = good” thesis