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into the body and attaches itself to an LDL molecule, which it back carries to the liver, effectively taking it out of the body. It the liver ditermines there too is much LDL ia the body, it will manufacture more HDL. Likewise if there is too little LDL, it will reduce the amount of HDL and manufacture more LDL. That is how the liver controls the level controls the level of cholesterol in the body. Risk Factors :
Risk factors of Heart disease are based entirely on statistics. Certain characteristics are shared by people who have heart disease. These characteristics are called risk factors. While this may seem an ideal way to predict future heart trouble, the statistical evidence is often inconsistent. Statistics can not tell us if a given person will get heart disease. They only indicate risk.
Even if a person is at risk for all the factors possible, still there is no guarantee of his developing heart disease, Conversely even if a person has no risk factors still he may get a heart attack. A diabetic, chain smoker with high blood pressure could quite possible live well in to bis nineties, while a trim, healthy person may have a fatal heart attack at 40.
High blood pressure, stress, smoking, unbalanced diet and life style heredity are the causes to angina and arteriosclerosis. Arteriosclerosis is a thickening and hardening of the arteries. It can be caused by smoking, cholesterol, high blood pressure or free radicals. The irritation may cause due to some virus also.
No one is sure what causes arteriosceleosis, though it is thought the process begins with demage or irritation to the middle layer of the artery. The body attempts to heal the injury by making more smooth muscle cells. This causes the arterial wall to bulge inward. The bulge acts as a snag, accumulating cholesterol, fatty deposits and dead cell tissues and it further may make the artery so narrow that a blood clot can plug it completely, cutting off the blood supply and causing a heart attack.
Simillarly stress can be a contributing factor to the development of arteriosclerosis. In response to stress, the muscles of the arteries constrict, raising blood pressure and diaking the heart work harder to keep up. Narrowing of the arteries can be especially dangerous in arteries that are already partially blocked by arteriosclerosis, taking them one step closer to being totally blocked by a blood clot,
Again, the carbon monoxide in cigarette smoke attaches itself to blood cells, so they can not carry oxygen to the beart and other parts of the body. Free radicals are found in tobacco smoke and
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