Final answer:
Regular exercise affects dyslipidemia by raising HDL cholesterol levels and reducing triglyceride levels; however, it is less effective at reducing total cholesterol levels without additional lifestyle changes or medication.
Step-by-step explanation:
Regular exercise can positively influence dyslipidemia by reducing triglyceride levels and increasing HDL (good cholesterol) levels, but it may not significantly reduce total cholesterol levels alone.
Dyslipidemia is a condition characterized by abnormal amounts of lipids in the blood, which can lead to cardiovascular diseases. Regular physical activity is a key component in managing and preventing dyslipidemia. When someone engages in regular exercise, it can lead to an increase in HDL cholesterol, which is often referred to as 'good' cholesterol because it helps remove other forms of cholesterol from the bloodstream. This process is beneficial because it decreases the risk of plaque formation in the arteries. Additionally, exercise can aid in lowering triglyceride levels, which is important as high levels are associated with an increased risk for heart disease.
However, while exercise contributes to a healthier lipid profile, it typically does not significantly reduce total cholesterol levels by itself. It is often necessary to couple regular physical activity with dietary changes and, in some cases, medication, under a doctor's supervision to achieve significant reductions in total cholesterol.