LDL Cholesterol

Definition

Low-Density Lipoprotein cholesterol is a type of cholesterol that transports lipids through the bloodstream and tends to accumulate in artery walls, increasing cardiovascular risk.

How it works

LDL cholesterol particles carry cholesterol from the liver to cells throughout the body. However, excess LDL can deposit in artery walls, forming plaques that narrow blood vessels and restrict blood flow. This process, called atherosclerosis, significantly increases the risk of heart attack and stroke. Unlike HDL cholesterol which is protective, high LDL levels are considered a major cardiovascular risk factor. Managing LDL through diet, exercise, and sometimes medication is crucial for heart health.

Role

LDL cholesterol transports lipids but promotes atherosclerosis when levels are excessive, making it a key marker of cardiovascular disease risk.

Examples

• Saturated fats from butter, fatty meats, and full-fat dairy
• Trans fats from processed foods and fried items
• Processed snacks and pastries

Recommendations

Limit saturated fat intake to less than 7% of daily calories and avoid trans fats entirely. Choose lean proteins, whole grains, and plant-based options to naturally reduce LDL levels. Regular aerobic exercise and maintaining a healthy weight also help lower LDL cholesterol.

Key takeaway

Reducing LDL cholesterol through diet and lifestyle changes is one of the most effective ways to prevent heart disease.

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