Which of the following habits is effective in increasing HDL cholesterol levels?

Engaging in regular exercise is recognized as an effective strategy for increasing HDL cholesterol levels. HDL, often referred to as "good" cholesterol, helps remove other forms of cholesterol from the bloodstream. Regular physical activity, particularly aerobic exercises such as running, cycling, or swimming, is associated with improvements in lipid profiles, including higher HDL levels. Exercise promotes beneficial changes within lipid metabolism and can enhance the body’s ability to transport cholesterol, leading to improved cardiovascular health.

Maintaining a low-fat diet and following a strict vegetarian diet do not necessarily guarantee an increase in HDL. While dietary choices are important for overall heart health, specific nutrients, such as healthy fats found in avocados, nuts, and olive oil, can play a significant role in raising HDL levels. Similarly, smoking cessation is beneficial for overall heart health and reducing the risk of cardiovascular disease, but its direct effect on HDL levels is less pronounced compared to the impact of regular exercise.