8 June 2016

Causes OF Heart Attacks

From the a perspective of health, cardiovascular disease is a public enemy number one.  According to the World Heart Federation, 17 million people die every year of CVDs, mostly from heart attacks and strokes- that is more than victims of cancer, malaria, HIV and AIDS combined.  
A person is said to have a heart attack when the blood flow to the heart is suddenly cut off, leading to decrease the supply of oxygen and nutrients which is vital for proper functioning  of the heart. When oxygen fails to supply to various important organ such as brain, liver, kidney, etc. this may eventually lead to death of tissue within the organs and their ultimate failure.
What causes heart Attacks?
Heart Attacks are generally caused by the blockage that prevents blood from flowing into the heart. Mostly due to build-up of fatty deposits in the arteries, making the blood vessels narrower and less flexible. So, the blood vessels are blocked by the blood clots, restricting the blood flow to the heart muscles.
The major reason for heart attacks depends largely on many factors. It includes-
  • Blood pressure: A person is said to have high blood pressure or  hypertension when pressure in the arteries is above the normal range. Hypertension makes your heart work harder than normal to pump blood through the blood vessels. This  phenomenon may lead to narrow the blood vessels and block from the blood clots from lining of the blood vessel wall, which lead to a heart attack.
  • Cholesterol: High cholesterol level in your blood can also cause heart attacks. Over time, cholesterol builds up in the walls of arteries and arteries becomes narrowed, making difficult for blood to flow into your heart. When enough oxygen  cannot reach your heart and its supply of blood  is cut off completely, finally, it leads to a heart attack.
  • Smoking or tobacco: Smoking carries a double risk of a heart attack. It reduces the blood circulation by narrowing the arteries, making your heart beat faster and blood pressure goes up. This gives a way to form a clot. When a clot blocks the flow of blood to your heart, then it causes heart attacks.
  • Family history heart attacks:  The cardiovascular disease can also be inherited. If your parents or grandparent had a history of heart attack then you are also likely to have one. Your genes are passed down from them and sometimes, they are responsible for passing, such as high blood pressure and high cholesterol levels.  Although, you don’t have a control over these situations, however, in order to stop the risk factors for your next generation, you need to live a healthy life like quitting smoking(if you are) and decreasing cholesterol level as normal as possible.
  • Obesity: A person with obesity has a greater risk of heart disease than someone who is not.
  • Stress: Study has shown that the emotional stress increases blood pressure level of cholesterol and changes the blood clots that increases the chances of heart attack. Stress changes the body behavior about the blood and nervous system which carries a negative impact on your heart. It often leads to poor habits like smoking, drinking and unhealthy eating.


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