Atherosclerosis is a common cardiovascular condition characterized by the buildup of fats, cholesterol, and other substances in and on the artery walls. This buildup, called plaque, can restrict blood flow and lead to serious health problems such as heart attacks and strokes. Understanding the causes and early signs of atherosclerosis is crucial for prevention and early intervention.

What Causes Atherosclerosis?

The development of atherosclerosis is influenced by various risk factors. Some of the primary causes include:

  • High cholesterol levels: Excess cholesterol in the blood can deposit in artery walls.
  • High blood pressure: Elevated pressure damages artery linings, making plaque buildup easier.
  • Smoking: Tobacco chemicals damage blood vessels and promote plaque formation.
  • Unhealthy diet: Diets high in saturated fats, trans fats, and cholesterol contribute to plaque buildup.
  • Physical inactivity: Lack of exercise can lead to obesity and worsen other risk factors.
  • Obesity: Excess weight increases the risk of high blood pressure and diabetes.
  • Diabetes: High blood sugar levels damage blood vessels and accelerate plaque formation.

Early Signs and Symptoms

Atherosclerosis often develops silently over many years. However, some early signs and symptoms can indicate the presence of narrowing arteries:

  • Chest pain or angina: Discomfort or pressure in the chest during exertion.
  • Shortness of breath: Especially during physical activity.
  • Fatigue: Unusual tiredness that persists.
  • Numbness or weakness: In the limbs, indicating reduced blood flow.
  • Dizziness or lightheadedness: When blood flow to the brain is affected.

Recognizing these signs early and managing risk factors can significantly reduce the risk of severe cardiovascular events. Regular check-ups and a healthy lifestyle are essential components of prevention.