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Why high cholesterol can cause heart attack?
We have two sources of cholesterol, one is built from our liver, another is from our food source, especially animal source food. Cholesterol has 3 types, LDL cholesterol (Bad cholesterol), HDL cholesterol (Good cholesterol) and tryglicerides. LDL cholesterol is transported to cell as nutrients in our blood stream like arteries. However, if excess of cholesterol is transported, unused LDL cholesterol will start deposit in our arteries and thickening the walls of our arteries. This narrowed the blood stream. This process is called atherosclerosis.
This will cause the blood that carries nutrients, oxygens to heart will be reduced. When this blood stream is narrowed and even clogged, this will cause heart disease like heart attack and stroke. Normally, it always happen when you are doing some activities that suddenly need a high demand of oxygen and the heart did not get enough oxygen from the blood. Most of the time, people will feel some pain in the area of chest.
It is advised to visit a doctor and nutritionist to plan a healthy life style and strictly following a new low cholesterol diet plan. Don’t jump into medication first unless the LDL number is too high.
That explains why we should always monitor our cholesterol level to prevent from heart diseases
Cholesterol is a fatty and waxy substance that is produced by the liver. It belongs to the family of saturated fat substances called lipids. Too much of saturated fats in your diet may contribute to high blood cholesterol. Most saturated fats come from animal products such as butter, cheese, chocolate, whole milk, pies, pastries, cakes, hot chips, potatoes and hash browns.
In some individuals, high cholesterol levels can be due to genetic disorder. Too much cholesterol in your blood will start building up in the artery walls, causing narrowing of the arteries. This increases your risk of developing heart or brain attack(stroke).
The human body has 2 different types of cholesterol.The good(HDL) and the bad(LDL). All food have these in them.
The vanes in our bodies are very delicate.When they get scratched or harmed in anyway,(from smoking,artificial sweeteners,and so on..) your body patches it up with cholesterol.Which you can think of as plastering a wall.
If your body is in good shape,it will use the HDL for repair.Which is a nice and smooth coating.
But if your body cannot process the good cholesterol,then it uses the LDL which is much easier.But think of this as plastering a wall badly.So when it starts to crack and lose its shape,your body just slaps on a new layer.Sooner or later your vane gets clogged up with it and blood can’t pass through.Which causes a heart attack.
High cholesterol can be attached to arteries (blood vessels) and form atherosclerotic plaque. The atherosclerotic plaque make the arteries get narrowed and non-elastic, as a consequence, when heart pumps the blood, it would face resistance in blood vessels, and that part of heart which has the atherosclerotic part cannot be furnished (since it is narrowed).
This leads to heart attack. Or sometimes, some parts of atherosclerotic plaque will "cut" from the prime site and can block the small arteries. If the small arteries of heart are blocked, it will cause a heart attack.
All those answers above are completely wrong.
Cholesterol is NOT a cause of coronary artery disease. There is a lot of money to be made spreading the myth that it does.
Please look into Anthony Colpo, Dr. Uffe Ravnskov and the 80 scientists from THINCS trying to get the word out that there is no evidence behind this popular theory.
High cholesterol levels will deposit into your arterial system which includes the coronary arteries which supplies your heart with oxygen to keep beating
After cholesterol is deposited, a reaction happens in the arterial wall on the long run causing rupture of the lining of the artery (micro-rupture) which stimulated your platelets to aggregate in that site causing a clot (thrombus) thus obliterating the oxygen from reaching this part of the heart supplied by that artery.
& when part of the heart doesn’t get oxygen, a heart attack develops manifesting as anginal pain
I hope your question is answered.
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