Imagine grabbing a quick breakfast – a sugary cereal with bright packaging, paired with a carton of juice. For lunch, maybe a sandwich stuffed with processed meats, followed by a snack of cookies or chips. By dinner, it’s a frozen pizza. You don’t think twice as you scroll through your phone while eating, but soon after, you feel a wave of sluggishness, followed by a quick spike in energy – and then the crash. Your blood sugar is on a rollercoaster, and you may not even realise it.
A new study published in The Lancet Regional Health: Europe, conducted in collaboration with experts from the University of Cambridge and Imperial College London, has found that this very pattern – filling your diet with ultra-processed foods (UPFs) – could be driving up your risk of type 2 diabetes. The research revealed that higher UPF consumption is closely linked to an increased risk of developing type 2 diabetes, while opting for less-processed, whole foods could significantly lower that risk.
What exactly is ultra-processed food?
According to Dr Saptarshi Bhattacharya, Senior Consultant in Endocrinology at Indraprastha Apollo Hospitals, ultra-processed foods typically have long ingredient lists with additives like artificial sweeteners, preservatives, colorings, and emulsifiers. Ingredients such as high-fructose corn syrup, hydrogenated oils, or artificial flavours signal heavy processing. Foods marketed as “instant” or “ready-to-eat,” as well as pre-packaged snacks and frozen meals, which emphasise convenience and long shelf life, usually fall into this category.
What’s the link between ultra-processed foods and type 2 diabetes?
Ultra-processed foods (UPFs) increase the risk of type 2 diabetes due to their high levels of refined sugars, unhealthy fats, and additives. These foods cause rapid blood sugar spikes and insulin resistance over time. Low in fibre and high in calories, they also contribute to weight gain and obesity, major diabetes risk factors. Additives can disrupt gut microbiota, further harming metabolism. Studies clearly show that high UPF consumption directly correlates with increased diabetes rates, emphasising the importance of cutting back to lower the risk.
Which ultra-processed foods pose the greatest risk?
Foods high in sugars, refined carbs, and trans fats pose the greatest risk. These include sugary drinks, packaged snacks (chips, cookies), processed meats (hot dogs, sausages), fast food, and ready-to-eat meals. These items add excess calories without essential nutrients and often contain preservatives that disrupt metabolism. While convenient, they lack fibre, vitamins, and minerals, contributing significantly to diabetes and other chronic diseases.
How can one replace ultra-processed foods with minimally processed options?
To replace ultra-processed foods, choose whole or minimally altered versions of common items. Opt for fresh fruits, vegetables, and whole grains instead of processed ones. For instance, select whole oats over flavoured instant oatmeal and swap sugary cereals for plain, high-fibre varieties. Choose lean cuts of fresh meat or plant-based proteins like lentils and beans instead of processed meats. Cooking meals from scratch with simple ingredients is an effective strategy. Additionally, frozen or canned fruits and vegetables without added sugars or preservatives offer convenient alternatives without the health risks associated with heavily processed foods.