2015 1E3 Group 6 - Heart Disease

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Meaning / Definition

Coronary artery disease is a disease which a waxy substance called plaque builds up inside the coronary artery,causing accumulation of fatty material in the inner linings of arteries which is caused by high cholesterol .These arteries supply oxygen-rich blood to your heart muscle.So when the heart muscle have insufficient amount of oxygen,it will lead to heart attack.Artery coronary disease may occur at any age.A recent case of a victim of a heart attack was a young 34 year old male.  Video: https://www.youtube.com/watch?v=NZ14XjOQoFY

Causes and Effects

Coronary artery disease is caused by hardening of the arteries,or atherosclerosis and thought to begin with damages or injuries to the inner layer of a coronary artery. The damage may be caused by various factors including:


* Insulin resistance is a state of diminished effectiveness of insulin in lowering the levels of blood sugar

 * sedentary lifestyle is a type of lifestyle with no or irregular physical activity. 

 *Atherosclerosis is the buildup of fats,cholesterol and other substances in and on the artery walls (plaques) which can restrict blood flow.

Signs and Symptoms

Signs and symptoms include pain or pressure over the chest that travels to arms or jaw so known as angina which is caused when an area of your heart muscle doesn't get enough oxygen-rich blood.  Other symptoms also include:


Prevention and Treatment

There is no cure for coronary artery disease but there are many treatments that can slow down its progress,including medication,surgery like:


Life style changes can also slow down its progress. You can lower your risk of coronary artery disease by knowing and controlling your blood pressure, diabetes and blood cholesterol. It is also important to lead a healthy lifestyle by being smoke-free, having limited amount of alcohol and physically active, eating a healthy diet that is lower in fat especially saturated and trans fat.

Foods high in saturated fat include:


Link to Other Illnesses or Diseases

Coronary artery disease can also lead to





Plagiarism is a strongly discouraged.


In this section, include the links of all websites you obtained information from to complete your health science wiki page.

For example:

WebMD (http://www.webmd.com/)




Signs and symptoms



causes and effects




prevention and treatment