> They also don't have a marijuana epidemic.

I don't see this mentioned in the transcript. What is the basis for you mentioning it? Seems like a weird thing to throw in without explanation. I say this as someone that does not consume cannabis, btw, so this is not a defense of cannabis usage.

Japan may come up a lot in discussions about longevity, but doesn't Japan have a drinking culture that is very unhealthy? It's pretty well established that alcohol has a serious impact on health in numerous ways. There is even a condition called alcohol-related dementia.