High Cholesterol

(Cholesterol, High; Hypercholesterolemia)

Definition

Cholesterol is a type of lipid in the blood. High cholesterol is an abnormally high level of cholesterol in the blood.There are different types of cholesterol in your blood including:
  • Low density lipoproteins (LDL)—causes build up of cholesterol and other fats in the blood vessels. Known as bad cholesterol because high levels can cause disease in the arteries and heart disease.
  • High density lipoproteins (HDL)—can remove cholesterol and other fats from the blood. Known as good cholesterol because it may protect against heart disease.

Causes

Causes of high cholesterol include:
  • Genetics
  • High-fat diet
  • Overweight
  • Sedentary lifestyle

Risk Factors

The risk of high cholesterol increases with age. It is more common in men. It is also more common in women after menopause. Factors that may increase your risk of high cholesterol include:
  • Family members with high cholesterol
  • High-fat diet
  • Obesity , overweight
  • Sedentary lifestyle

Symptoms

It is rare for high cholesterol to cause symptoms. However, high cholesterol can increase your risk of atherosclerosis . This is a dangerous hardening of the arteries. It can block the flow of blood. Some complications of atherosclerosis include: Some people with high cholesterol may also have cholesterol deposits in tendons, under the eyes, or in the eye.
Atherosclerosis
atherosclerosis
Copyright © Nucleus Medical Media, Inc.

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