Eli5: if obesity is so unhealthy, why do countries with high obesity rates such as US and UK generally have higher average lifespans than many countries with lower obesity rates?

Question

Eli5: if obesity is so unhealthy, why do countries with high obesity rates such as US and UK generally have higher average lifespans than many countries with lower obesity rates?

In: 2

Answer 1

Because wealthy countries tend to be more obese AND have more technology to extend lifespan, plus fewer exposures to potential death for most citizens.