A Chinese model
To determine whether the East-Diet was unique to Hangzhou, researchers subsequently validated the findings in an independent cohort spanning multiple Chinese cities.
The results were strikingly consistent. Both the dietary pattern itself and its association with lower risks of central obesity were replicated across the validation cohort.
The findings suggest that the EastDiet may represent more than a regional eating habit. It could serve as the foundation for a broader Chinese framework for healthy eating.
The research team has already extended follow-up data through early 2026 and plans to develop an EastDiet scoring system that can be used in future intervention studies and public health assessments.
Zhu said the study's significance extends beyond nutrition science.
For decades, discussions about healthy eating in China have often looked outside the country for answers. This research suggests that some of those answers may already exist within China's own culinary traditions.
"We can think of the EastDiet as a Chinese version of the Mediterranean diet," Zhu said. "But unlike a diet that was designed, this one grew naturally out of the real lives of Chinese people."
From the fish, lotus roots and soy foods of China's eastern coastal region to the metabolomic maps and microbiome analyses of modern laboratories, the EastDiet represents more than a new scientific concept.
It is a rediscovery of a way of eating that has existed for generations — one that modern science is only now beginning to measure, understand and validate.
As dietary habits around the world become increasingly homogenized and chronic diseases continue to rise, the evidence emerging from China's own dining tables may offer a new vision of healthy eating for the future.
liyingxue@chinadaily.com.cn