Their life expectancy is the highest in the world (with 85 years on average, while US has 80 years on average).
While Naomi Moriyama lived in The US she gained 25 pounds in only 2 months. However, once she returned to Japan the extra pounds just disappeared. “All I did was get back…” Naomi says. Here is a video of her story where she reveals the secret of why Japanese women don’t get old or fat: