Yes, Americans eat more calories and lack universal access to health care. But there's also higher child poverty, racial segregation, social isolation, and more.
There are some things Americans get right, according to the "Shorter Lives" report: "The United States has higher survival after age 75 than do peer countries, and it has higher rates of cancer screening and survival, better control of blood pressure and
levels, lower stroke mortality,
https://www.npr.org/sections/health-shots/2023/03/25/1164819944/live-free-and-die-the-sad-state-of-u-s-life-expectancy?mibextid=Zxz2cZ