Excessive saturated fat intake can lead to several harmful effects on health. It has been linked to increased cholesterol levels and a higher risk of cardiovascular disease. High saturated fat consumption can contribute to the buildup of plaque in arteries, leading to heart disease and stroke. Furthermore, diets rich in saturated fats may promote obesity and related health issues, such as type 2 diabetes. It's advisable to limit saturated fat intake and focus on healthier fats, like monounsaturated and polyunsaturated fats.