I'm not enthusiastic of something unique about the blue zones. Itat there are, there are peoples in all all the continents who live a little longer than the average. But most of my colleagues don't think there's anything unusual about that. If you look globaly a life span has been increasing as as early life mortality decreased because of reducing infectious disease. pushing against that is the global epidemic of obesity, the global sale of tobacco, which is huge in africa, in asia and the global issues of air pollution. And is global warming contributing directly? Is a temperature change contributing directly to the way body's work or age? That's that story is emerging. This is a book