D I G T E K

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High cholesterol, a significant risk factor for heart disease, is often influenced by diet. Understanding which foods contribute to high cholesterol is crucial for maintaining heart health. This article explores the connection between diet and cholesterol, outlining the foods that raise LDL (“bad”) cholesterol levels and offering guidance on making healthier food choices.

Understanding Cholesterol

Cholesterol, a waxy substance produced by the liver, is essential for various bodily functions. However, elevated levels, particularly of low-density lipoprotein (LDL) cholesterol, can lead to plaque buildup in arteries, increasing the risk of heart disease and stroke. High-density lipoprotein (HDL) cholesterol, on the other hand, is considered “good” cholesterol as it helps remove excess cholesterol from the bloodstream.

Foods That Increase LDL Cholesterol

Several types of food contribute to high LDL cholesterol:

Saturated and Trans Fats

  • Saturated Fats: Found in animal products like fatty meats (beef, pork, lamb), poultry skin, full-fat dairy (butter, cheese, whole milk), and some tropical oils (coconut, palm). These fats raise LDL cholesterol more than any other dietary factor. Limit red meat consumption to less than 350g per week and choose lean cuts.
  • Trans Fats: Primarily found in processed foods, fried foods, and some baked goods. Trans fats not only raise LDL cholesterol but also lower HDL cholesterol, creating a double negative impact on heart health. Look for “partially hydrogenated oil” on ingredient lists and avoid these products.

Cholesterol-Rich Foods

Dietary cholesterol, found in animal products like egg yolks, organ meats (liver, kidneys), and shellfish, can also contribute to high blood cholesterol in some individuals. While not as significant as saturated and trans fats, limiting these foods is still recommended for those with high cholesterol. For most people a maximum of seven eggs each week is recommended, however for people with high cholesterol, this should be reduced.

Making Heart-Healthy Food Choices

Lowering LDL cholesterol through diet involves reducing intake of the foods mentioned above and incorporating heart-healthy options:

Embrace Unsaturated Fats

  • Monounsaturated Fats: Found in olive oil, avocados, nuts, and seeds. These fats can help lower LDL cholesterol while maintaining or even raising HDL cholesterol. Use these oils for cooking and salad dressings.
  • Polyunsaturated Fats: Found in fatty fish (salmon, tuna, mackerel), flaxseed, walnuts, and sunflower seeds. These fats are rich in omega-3 fatty acids, which have numerous heart health benefits, including lowering triglycerides and blood pressure. Aim to include fish in your diet two to three times a week.

Increase Fiber Intake

Soluble fiber, found in fruits, vegetables, legumes, and oats, binds to cholesterol in the digestive tract and helps eliminate it from the body. Aim for a diet rich in these high-fiber foods. Include legumes in at least two meals per week.

Choose Whole Grains

Whole grains, like whole wheat bread, brown rice, and quinoa, are rich in fiber and other nutrients that support heart health. Replace refined grains with whole grain options.

Limit Processed Foods, Sugary Drinks, and Excessive Salt

These items often contribute to weight gain and can negatively impact cholesterol levels. Choose unflavoured milk, yoghurt and cheese. People with high cholesterol or heart disease should opt for reduced fat options. Check the labels to make sure there’s no added sugar. Non-dairy milks and yoghurts are ok too; opt for versions that have no added sugar and have had calcium added.

Conclusion

Diet plays a vital role in managing cholesterol levels. By understanding which foods contribute to high cholesterol and making conscious choices to incorporate heart-healthy alternatives, you can significantly reduce your risk of heart disease and maintain optimal well-being. Consult with a healthcare professional or registered dietitian for personalized dietary recommendations. A healthy plate consists of ¼ healthy proteins, ¼ wholegrains and ½ colourful vegetables.

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