Diets high in saturated and trans fats have been associated with an increased risk of cardiovascular diseases.
While high-fat diets, especially those low in carbohydrates, may promote weight loss in the short term, consuming excess calories from any source, including fats, can lead to weight gain over time.
High-fat diets, particularly those rich in saturated fats and processed foods, may contribute to non-alcoholic fatty liver disease (NAFLD), a condition where excess fat is stored in the liver.
Some studies suggest that high-fat diets, particularly those with high levels of saturated fats, may contribute to insulin resistance.
Diets high in unhealthy fats, especially omega-6 fatty acids found in certain vegetable oils, may contribute to chronic inflammation, which is linked to various health issues.
High-fat diets, especially those low in fiber, may negatively impact gut health by altering the composition of the gut microbiota.
Some studies have suggested a link between high-fat diets, particularly those rich in animal fats, and an increased risk of certain cancers.
Diets that are excessively high in fats, especially if they displace other nutrient-dense foods, may lead to nutrient deficiencies.