What is Cardiovascular Disease? Cardiovascular Disease (CVD) is a general term encompassing heart attack, stroke and other disorders of heart and blood vessel system. Today there are approximately half a million people died of CVD in US each year. Though there are many who do not know it as they have no warning symptoms.Therefore CVD is well known as a ‘Silent Killer’.
The arteries that supply blood to the heart are called the coronary arteries. If the heart blood vessel narrow, the amount of blood supply to the heart may experience insufficient oxigen causes type of chest pain call Angina. If the coronary arteries that carry oxigen and nutrient becomes obstructed , a flow of blood was completely cut off resulting in heart attack, or myocardio infarction.
Arteriosclerosis , or hardening of arteries with the present of clot are the common causes of blood vessel obstructions. A heart attack may feels as someone is applying an intense pressure on the chest. This pain may last for severals minutes, often extended to shoulder , arm, neck, and jaw. Other sign of heart attack include sweating, nausea, sweating, shortness of breath , vomitting, fainting, loss of speech, anxiety, ears ringing, difficult swallowing and dizziness.
High blood pressure(or Hypertension) is a precursor to heart problems.It usually results from decrease in elasticity of arteries or the reduction of interior diameter of the arteries, which may be caused by Arteriosclerosis. People consider to be high risk for heart attack are those with diabetes, smokers or heart disease patients.
How can exercise prevent heart disease? Regular exercise improve digestion , increase strength, endurance and promotes lean body and fat burning while lowering bad cholesterol (LDL) and increase good cholesterol (HDL). The details on cholesterol was explained in length in another article. In addition to pyhsical benefits, exercise also reduce stress and anxiety , which are the causes of many illness. According to report on the study published in the Journal of the American Medical Society, low fitness and sedentary may pose heart disease risk as high as smoking and high blood pressure. Lack of exercise also directly contributing to obesity in many cases.
Strengthening Training such as Circuit Training is one of the ways to help reduce heart desease risks. It help the muscles to contract and do work. Proper control of daily diet is also very important to prevent heart related diseases.
So taking care of your heart is essential for long life. You must stay active by doing exercise regularly, eating healthy and managing your stress.