Why have the Japanese been consistently ranked among the world's longest-lived countries for decades? Many people believe that Japan's longevity relies on advanced medical care. In fact, a large part of what determines lifespan is hidden in their daily diet and lifestyle habits. Data shows that the average life expectancy for Japanese women exceeds 87 years, and for men over 81 years, ranking among the top three globally for a long time. As of 2024, the number of centenarians in Japan has surpassed 95k, and this number has been increasing for 54 consecutive years.

Of course, longevity is never determined by a single factor. But Japanese dining tables indeed offer a very valuable "longevity template" worth the average person’s reference. And among these, the three most worth learning from are actually just three things.
First, a balanced diet structure.
The core characteristic of Japanese eating habits is quite simple: less refined carbohydrates, more fish, beans, and dietary fiber.
They do eat rice, but usually not to the point of fullness. Instead, they consume large amounts of high-fiber foods like kelp, seaweed, burdock, radish, and konjac.
Especially seaweed foods, which are rich in soluble dietary fiber, help improve gut health and lower cholesterol.
At the same time, Japanese people love eating deep-sea fish. Fish not only provides high-quality protein but is also rich in Omega-3 fatty acids, which have a very obvious protective effect on cardiovascular and cerebrovascular health.
In addition, Japan is a typical "soy protein country." Tofu, natto, and edamame often appear in daily diets.
This habit of "replacing part of meat with soy" can reduce the intake pressure of red meat and saturated fats.
Second, cooking methods are lighter.
Japanese cuisine rarely involves heavy frying; more often, it uses boiling, steaming, cold mixing, or grilling.
This low-oil, low-temperature cooking method can reduce fat oxidation and better preserve the nutritional value of ingredients.
Many current problems are not due to unhealthy ingredients but "over-processing."
Excess oil, excessive spiciness, too much salt, and over-seasoning all increase the body's metabolic burden over time.
Of course, Japanese diet is not completely problem-free; for example, ramen, miso soup, and pickled vegetables are not low in salt.
But overall, it remains much healthier than most high-oil, high-salt eating patterns.
Third, and most easily overlooked: restraint.
Japan has a famous saying, called "Hara hachi bun me."
It means: eat until you are 80% full and then stop.
Many Chinese people's biggest dietary problem is not poor eating but eating too much.
Long-term overeating and stuffing oneself at every meal can significantly increase risks of obesity, diabetes, fatty liver, and cardiovascular diseases.
And Japanese people are generally very restrained.
If you go to Japanese streets, you'll find that obesity rates are really low.
Don’t underestimate "being slim."
Extensive research in medicine has proven that moderate calorie control itself helps reduce the risk of chronic diseases and alleviates body inflammation.
More importantly, Japanese people not only "control their mouths" but also "move their legs."
Japan is a typical walking society; many people walk over 6,000 steps daily.
This high-frequency, low-intensity daily activity is very effective in maintaining metabolism and weight.
The essence of Japanese longevity is not about eating expensive things but about maintaining a lifestyle of restraint, stability, and not overburdening the body over the long term.
Less excess carbohydrate,
More fish, beans, and seaweed;
Less heavy oil and salt,
More light and natural flavors;
Eat 20% less, walk a few more steps.
Health has never been expensive; what’s difficult is to stick to it for decades, day after day.