These 3 daily practices are the Japanese 'secret' for a 'long and happy life,' says authors of 'Ikigai'

If you, like many others, have ever fallen down a rabbit hole trying to learn more about what causes some people to live longer and feel more happiness, then you've probably already heard of Blue Zones like Okinawa, Japan.

Blue Zones are areas in the world with the most people living the longest lives.

On average, Okinawan women live longer lives than women from all other areas worldwide, according to longevity expert Dan Buettner. Additionally, "Okinawans have less cancer, heart disease and dementia than Americans," Buettner wrote on his site.

The island's age-defying residents caught the attention of authors Héctor García and Francesc Miralles. The pair interviewed over 100 of the oldest people in Okinawa and wrote about the principles and techniques that Japanese centenarians adhere to daily in their book titled Ikigai: The Japanese Secret to a Long and Happy Life.

Here are a few of the practices that contribute to the longevity and happiness of some of Japan's longest-living people.

Just about every super-ager that García and Miralles spoke to shared that they regularly practice radio taiso which is a well-known, decades-old Japanese exercise.

"Even the residents of the nursing home we visited dedicated at least five minutes every day to it, though some did the exercises from their wheelchairs," the authors wrote in their book.

It helps that the exercise calls for low-intensity movements and can be completed in five minutes or less. And what makes the practice really stand out is that it's typically done among groups of people.

One of the main goals of radio taiso is to "promote a spirit of unity among participants," according to García and Miralles.

There's a Japanese proverb that states: "Only staying active will make you