Cardiovascular Diseases Considered As Number One Killer Essay

1668 Words Dec 6th, 2016 7 Pages
Cardiovascular diseases considered as number one killer in United States. 42.7 percent out of two million people who have heart diseases die each year. Coronary arteries’ function is to supply the heart with oxygen-rich blood. When less blood and oxygen flow to the heart, it means the coronary artries narrow. This type of situation is called coronary artery disease, or atherosclerosis means the hardening of the arteries in which fatty deposits build up inside the coronary arteries. Heart attack, or againa occurs when a blood clot develops from plaque in one of the arteries. As the clot gets bigger, it becomes harder to supply blood and oxygen to the heart. The most common symptoms are chest pain, discomfort, burning, aching across the chest, and tightness in the chest. Angina pectoris is the painful warning signals that heart sends when there is need for oxygen. It could happen as someone exercising hard. If the heart muscle does not receive oxygen within a certain time, heart attack could happen and leads to death. Cholesterol could be another dangerous reason for the heart disease to happen. Cholesterol is present in all animal cells but not in plant cells. It helps repairing cell membranes, manufacturing vitamin D in the skin. It is divided into two major groups, which are low density lipoprotein and high density lipoprotein. As the level of LDL cholesterol increases in your blood, the greater chance is of getting heart disease. The higher the level of HDL cholesterol…

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