Fast-food boom linked to growing lifestyle diseases in PH, Asean

Fast food has become part of everyday life in the Philippines. Burgers, fried chicken, pizza and sugary drinks are cheap, convenient and widely available. For many families, they are go-to meals after school, work or church.

But behind that convenience is a growing health and economic crisis. Studies show that the rapid spread of fast-food chains is strongly linked to the rise of noncommunicable diseases, or NCDs, such as obesity, diabetes and heart disease, according to the World Health Organization in 2023 and the Department of Health in 2025.

The numbers behind the crisis

From 2000 to 2025, the number of fast-food outlets in the country increased from about 5,000 to nearly 21,000. During the same period, obesity rates rose from 20% to 37%, while diabetes cases doubled from 3.5% to 7.1%, according to the Philippine Statistics Authority and the DOH in 2025.

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The figures represent millions of Filipinos living with chronic illness.

The cost of treating these diseases now reaches ₱500 billion annually, while losses from premature deaths and reduced productivity amount to ₱1.2 trillion, according to the World Bank in 2023.

Families are spending more on medicines, hospital visits and special diets, while the country loses billions of pesos in economic output.

Dependency on imports

The issue is not only about diet but also about dependency. Fast-food chains rely heavily on imported chicken, pork, beef, wheat, dairy and potatoes.

Billions of pesos flow out of the country every year as a result, weakening the peso and making the Philippines more vulnerable to global price shocks, according to the Food and Agriculture Organization in 2025 and Ofreneo in 2026.

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French fries served in fast-food outlets, for example, are often made from imported potatoes, while burger buns depend on imported wheat. Even fried chicken, a Filipino favorite, increasingly relies on imported poultry.

This dependency erodes local farming, displaces smallholder farmers and weakens rural economies.

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At the same time, food miles associated with these imports add to greenhouse gas emissions, worsening climate risks, according to the International Energy Agency in 2024. Shipments of frozen meat or dairy contribute to the country’s carbon footprint, making the food system less sustainable.

What the future could look like

Scenario modeling shows what could happen by 2035. If current trends continue, NCDs could account for 62% of all deaths, with health costs consuming 6% of gross domestic product.

In the worst-case scenario, if fast-food expansion goes unchecked, mortality could rise to 68%, health costs to ₱650 billion and poverty incidence to 25%.

With strong interventions such as sugar taxes, menu reform and public health campaigns, however, NCD mortality could fall to 55%, saving nearly 200,000 lives and freeing ₱400 billion annually for education and infrastructure, according to the WHO in 2023 and the DOH in 2025.

The projections show how policy choices could affect future health and economic outcomes.

The Asean picture

The Philippines is not alone. Across Asean, countries face similar challenges.

Thailand: Obesity has climbed to 32% despite gastrodiplomacy campaigns promoting pad thai as a national dish.

Vietnam: Diabetes prevalence has more than doubled, even as pho remains a cultural symbol.

Malaysia: Halal fast-food chains dominate urban diets, marginalizing traditional markets.

Indonesia: With its vast population, the country faces the largest absolute burden, with potential GDP losses of ₱750 billion if fast-food expansion continues unchecked, according to the Asean Secretariat in 2025.

The examples illustrate how fast food is reshaping diets and economies across Southeast Asia as part of a broader regional structural shift.

The human side of the story

Behind the statistics are everyday food choices. A mother in Manila may choose fried chicken and rice from a fast-food chain because it is cheaper and faster than cooking at home. A student in Cebu may grab a burger and soda between classes because it is convenient. A worker in Davao may rely on fast-food lunches because traditional eateries are disappearing.

Fast food is marketed as affordable, tasty and modern. But the long-term consequences — including weight gain, diabetes and heart disease — may not become apparent until later. Families can end up spending more on medicines than they saved on meals.

Why food sovereignty matters

Food sovereignty is closely tied to health sovereignty. Fast-food imports erode local farming, weaken rural economies and contribute to diseases that drain national budgets.

Measures identified to address these problems include fiscal reforms such as sugar taxes, stronger regulation of outlets, public health campaigns promoting traditional diets, and cooperative frameworks that empower smallholder farmers, according to Popkin and Hawkes in 2023 and Ofreneo in 2026.

Food sovereignty means being able to rely on local produce, traditional recipes and sustainable farming. It includes protecting farmers from displacement by imported supply chains and valuing rice, corn, vegetables and root crops alongside burgers and fries.

What can be done

  • Fiscal reform:Implement sugar and fat taxes to discourage unhealthy consumption while raising revenue for health programs. Mexico’s soda tax reduced consumption by 6% to 10% within two years, according to the WHO in 2023.
  • Regulation:Limit outlet expansion, require menu reform and enforce clear nutritional labeling, according to the FAO in 2025.
  • Public health campaigns:Promote traditional diets and raise awareness of the risks associated with fast food. Campaigns can highlight dishes such as adobo, sinigang, pad thai and pho as healthier cultural alternatives.
  • Cooperative frameworks:Support farmer cooperatives to strengthen local food systems and reduce reliance on imports, according to Ofreneo in 2026.
  • Regional integration:Coordinate Asean taxation, labeling and cooperative policies to counter multinational fast-food dominance, according to the Asean Secretariat in 2025.

Without these measures, the Philippines and its Asean neighbors risk remaining in a cycle of dependency: importing food associated with illness, spending billions of pesos to treat those illnesses and losing economic resilience in the process.

Fast-food consumption is not only a dietary issue. It is also tied to structural dependency. Without intervention, its effects on health and food sovereignty could continue. /dm

[Teodoro C. Mendoza, Ph.D., is a retired professor and scientist at the Institute of Crop Sciences, College of Agriculture and Food Science, University of the Philippines Los Baños.]