Heart is that organ of the body that pumps blood to all other parts of the body, thus ensuring their apt functioning. So the function of heart is not merely beating; it is the life saving organ of human body. To perform its function, heart needs plentiful and nutritious supply of blood too. This blood comes through the coronary arteries located near aorta. If the arteries get blocked due to the deposition of cholesterol, it causes cardiovascular system diseases. The cholesterol hampers the flow of blood and when the clot formed gets ruptured, it causes cardiovascular system diseases like heart attack. But these diseases are not only restricted to the heart. It also covers the entire blood vessel system of the body and any malfunctioning results in these diseases as well.
Cardiovascular system diseases have been spreading and causing harm to human lives since a long time. They are considered one of the major causes of death among the American adults nowadays, the second being cancer. More than a million of people die due to heart attack and almost twenty five percent of these victims die before getting any medical help. According to a research done by the World Health Organization (WHO), an estimate of 12 million people loses their lives due to the increasing heart diseases. Prevention is considered better than cure in the case of these diseases. Its diagnosis is done with the help of a few symptoms that the patient has, along with a series of tests. There are tests in accordance with the factors that cause heart diseases.
Cardiovascular system diseases are those which occur due to the disruption of blood vessels and malfunctioning of heart. The most common among these is the high blood pressure rate that engulfs millions of people today. This often leads to increase in heart beat and head aches. Heart diseases are also very frequent among people aged between 20 and 40. These diseases are due to the presence of cholesterol in the arteries of heart and the blockage of the smooth flow of blood through them. This causes the heart to put in extra effort to pump blood to all organs of the body. This reduced blood flow results in strokes and heart attacks. Another very common illness is the arthrosclerosis that occur when the arteries of the body get hardened. The pain of Angina has also long been causing trouble to a number of people and is thus classified as a major disease. When it comes to fatality, congestive heart failure is considered very common. It is one of the most dominant causes of death in many countries.
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All these factors cause cardiovascular system diseases among millions of people per year throughout the world. These diseases are considered to be fatal at times and can take the precious lives of people too. The treatment of these heart diseases depends upon their type and severity. If the disease is not so severe, it can be cured with the help of medicines while the severe ones are dealt through surgeries.