cholestrol
cholestrol
You may not know you have a high level of cholesterol in your
blood. The only way to be sure is to have a blood test.
What is cholesterol?
Cholesterol is a fatty substance that is an important part of
the oute lining (membrane) of cells in the body of animals.
Cholesterol is also found in the blood circulation of humans.
The cholesterol in a person's blood originates from two major
sources; dietary intake and liver production. Dietary
cholesterol comes mainly from meat, poultry, fish, and dairy
products. Organ meats, such as liver, are especially high in
cholesterol content, while foods of plant origin contain no
cholesterol. After a meal, cholesterol is absorbed by the
intestines into the blood circulation and is then packaged
inside a protein coat. This cholesterol-protein coat complex is
called a chylomicron.
High cholesterol is a leading risk factor for heart disease.
Excess cholesterol in the bloodstream can form plaque (a thick,
hard deposit) on artery walls. The cholesterol or plaque
build-up causes arteries to become thicker, harder and less
flexible, slowing down and sometimes blocking blood flow to the
heart. When blood flow is restricted, chest pain or angina can
result. When blood flow to the heart is severely impaired or
stops completely, a heart attack can result.
Since no "normal" cholesterol levels have been established,
doctors rely on "desirable cholesterol levels" in making
treatment recommendations. However, the "desirable" levels of
total cholesterol and LDL cholesterol have been moving targets;
they have been steadily declining over the years as more and
more controlled trials have demonstrated that the risk of heart
attacks and strokes can be reduced further with lower LDL
cholesterol level. Think of cholesterol as a "vital
sign,"similar to blood pressure, and high cholesterol as a
leading risk factor for heart disease
What can you do about it?
High fat intake contributes to excess body weight, since a gram
of fat has about twice as many calories per gram as
carbohydrates and proteins.
High cholesterol levels can be reduced through healthy eating,
exercise and stop smoking.
Whether you are trying to lose weight, lower blood cholesterol
levels or simply eat healthier, you'll want to limit total fat
intake.
The antioxidants in grapefruit are likely responsible for the
health benefits and the fresh fruit and juice are equally
beneficial, They also noted that red grapefruit generally has
higher levels of antioxidants than white varieties. It may also
be possible that red grapefruit has some unknown chemicals that
help reduce triglycerides.
Eating fish may lower inflammation in the blood vessels Omega-3
fatty acids may reduce mortality from heart disease and it is
also god for your Cholesterol. BASEL, SWITZERLAND.
Hyperlipidemia, or excess levels of fats in the blood, is
associated with increased risk of cardiovascular disease. Many
lipid-lowering agents exist for both primary and secondary
prevention of cardiovascular disease. fish oil supplementation
lowers blood levels of triglycerides by about 25-30%;
Medications are prescribed when lifestyle changes cannot reduce
the LDL cholesterol to desired levels. The most effective and
widely used medications to lower LDL cholesterol are called
statins. For older people on a fixed income, that extra four
months on an expensive drug can be a big factor.
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