Heart disease is also reduced by exercise, which reminds me of another facet of Japanese culture, and that is radio callisthenics. In the United States, exercise is mostly done by children and adolescents. Children run around the playground, playing ball, skipping rope, and playing sports. Sure, there are some adults who go to the gym, or play on their soft ball league, but the grand majority of US citizens exercise a lot less than when they were younger.
Back to Japan, exercise is embraced by people of all ages, young, middle aged, and older adults alike, and they exercise together. Even people you wouldn’t imagine, like business men in their shirts and ties gather together listening to music and doing synchronized stretching. It is kind of neat! Check it out if you are interested: https://www.youtube.com/watch?v=w7KkQB10-Kw