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These studies suggest avoiding red and processed meats, refined grains, sugar-sweetened beverages, and ultra-processed foods to manage diabetes.
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Managing diabetes effectively involves careful dietary choices. Certain foods can significantly impact blood sugar levels and overall health. Here, we synthesize research findings to highlight foods that individuals with diabetes should avoid or limit.
Refined grains, such as white bread and white rice, have been consistently linked to an increased risk of type 2 diabetes (T2D). These foods cause rapid spikes in blood sugar levels due to their high glycemic index . High-fat dairy products, including full-fat milk and cheese, also contribute to higher diabetes risk due to their saturated fat content, which can impair insulin sensitivity .
Red meat and processed meats, such as bacon, sausages, and deli meats, are strongly associated with an increased risk of T2D. These foods are high in saturated fats and nitrates, which can lead to insulin resistance and inflammation . Studies have shown that even moderate consumption of these meats can significantly elevate diabetes risk.
Sugar-sweetened beverages, including sodas, energy drinks, and sweetened teas, are major contributors to diabetes risk. These drinks cause rapid increases in blood glucose levels and contribute to weight gain, both of which are risk factors for T2D . Reducing or eliminating SSBs from the diet is crucial for diabetes management.
Ultra-processed foods, which include packaged snacks, ready-to-eat meals, and sugary cereals, are linked to a higher risk of T2D. These foods often contain high levels of added sugars, unhealthy fats, and artificial ingredients that can disrupt glucose metabolism and increase insulin resistance. A diet high in ultra-processed foods is associated with a 12% higher risk of developing diabetes for every 10% increase in consumption.
Foods with a high glycemic index, such as white bread, pastries, and many breakfast cereals, should be avoided. These foods cause rapid spikes in blood sugar levels, leading to increased insulin demand and potential insulin resistance over time . Opting for whole grains and low-glycemic index foods can help maintain stable blood sugar levels.
For individuals with diabetes, avoiding or limiting the intake of refined grains, high-fat dairy, red and processed meats, sugar-sweetened beverages, ultra-processed foods, and high-glycemic index foods is essential. These dietary adjustments can help manage blood sugar levels, reduce the risk of complications, and improve overall health. Adopting a diet rich in whole grains, fruits, vegetables, legumes, and nuts, while minimizing unhealthy food choices, is a proven strategy for diabetes management and prevention.
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