CHINA

A Vast Food Transition With Large-Scale Metabolic Consequences

A country of multiple food systems

China is not a single dietary pattern but a vast set of regional food systems shaped by geography, agriculture, and urbanization.

Traditional diets varied across the country, but common foundations included:

• rice in the south
• wheat- and noodle-based diets in the north
• vegetables and legumes
• soy-based foods
• modest amounts of animal protein
• structured, meal-based eating

Historically, added sugar intake was relatively low compared with modern industrial diets.

Then vs Now

Traditional Pattern

Rice- or grain-based meals
Vegetables and legumes
Soy foods
Structured eating
Low sugar exposure

Modern Pattern

Sugary beverages
Processed snacks
Refined grains
Ultra-processed foods
More frequent eating

China’s transition has been one of the largest in the world, not only because of speed, but because of scale.

Urbanization and the modern food environment

Urbanization has transformed how food is purchased, prepared, and consumed.

Key features now include:

• supermarkets and convenience stores
• high availability of packaged foods
• increasing consumption of sugar-sweetened beverages
• more eating outside the home
• greater exposure to multinational food and beverage marketing

This is especially important because metabolic disease is rising in a population that historically consumed less added sugar than many Western societies.

Sugary beverages and policy pressure

China has seen growing concern about sugar-sweetened beverage exposure, especially among children and adolescents. A 2025 BMJ Open study on SSB policy in China highlighted active debate around policies aimed at children and adolescents, reflecting increasing concern about rising intake and its health effects.

This matters because sugary beverages deliver rapid sugar exposure in a food environment that is already shifting toward greater metabolic load.

Metabolic syndrome and cardiometabolic research

China has become one of the major centers of research on metabolic syndrome, fatty liver disease, cardiometabolic risk, and abdominal obesity.

Recent work from China and the broader Asia-Pacific region has emphasized:

• rising metabolic syndrome prevalence
• growing burden of MASLD / MAFLD
• increasing overlap between obesity, diabetes, and cardiovascular disease
• the importance of abdominal fat and liver fat as predictors of adverse outcomes

This research reflects the reality that China is now dealing with metabolic disease on an enormous scale.

Fatty liver, diabetes, and cancer links

China also illustrates an important modern pattern:

dietary transition
→ liver fat accumulation
→ insulin resistance
→ broader disease burden

This includes not only diabetes and cardiovascular disease, but also rising concern about liver-related outcomes. A 2025 analysis projected continued burden from metabolic dysfunction-associated steatohepatitis–related liver cancer in China through 2050. Another 2025 study noted that liver cancer remains a significant public health issue in China, with high incidence and mortality burden.

This makes China a key example of how metabolic disease and cancer increasingly overlap.

Disease pattern

China is now experiencing:

• rising Type 2 diabetes
• increasing abdominal obesity
• metabolic syndrome
• fatty liver disease
• cardiovascular disease

These changes are especially evident in urban and coastal populations, though they are spreading more broadly.

Why China matters

China matters because it combines:

• one of the largest population-level nutrition transitions in history
• rapid urbanization
• rising sugary beverage exposure
• large-scale cardiometabolic and liver disease burden

It shows how quickly metabolic disease can emerge when a historically lower-sugar food system shifts toward industrialized eating.

Intervention opportunity

China still retains important strengths:

• strong traditional food structure
• widespread familiarity with vegetable- and legume-rich meals
• continuing public-health and policy attention

The key challenge is to preserve traditional meal structure while reducing:

• sugary beverages
• ultra-processed foods
• refined grain dominance

Bottom line

China demonstrates that metabolic disease is not a Western-only phenomenon.

When traditional diets are replaced by more processed, sugar-rich, and frequently consumed foods, the same pattern appears:

• liver fat
• insulin resistance
• metabolic syndrome
• cardiovascular disease
• increasing cancer burden linked to metabolic dysfunction

Explore Full Atlas of the Global Metabolic Crisis