What type of dietary fat is often emphasized to increase in an MNT plan for cardiovascular health?

Polyunsaturated fats are typically emphasized in a Medical Nutrition Therapy (MNT) plan aimed at improving cardiovascular health due to their beneficial effects on heart function and cholesterol levels. This type of fat includes omega-3 and omega-6 fatty acids, which are essential for overall health.

Incorporating polyunsaturated fats into the diet can help decrease levels of low-density lipoprotein (LDL) cholesterol, the "bad" cholesterol, while potentially increasing high-density lipoprotein (HDL) cholesterol, the "good" cholesterol. Foods rich in polyunsaturated fats include fatty fish (like salmon and mackerel), walnuts, flaxseeds, and oils such as soybean and corn oil.

Furthermore, dietary guidelines support the reduction of saturated and trans fats, which can contribute to increased cholesterol levels and higher risk for cardiovascular diseases. Focusing on polyunsaturated fats thus aligns with research that suggests a heart-healthy diet minimizes saturated fat intake and emphasizes healthier fat sources. Such dietary adjustments are critical for managing and preventing cardiovascular conditions.