Cholesterol

Everyone has heard about "bad" cholesterol and "good" cholesterol ... But what is it?

Cholesterol is a fatty substance in the blood of humans and also in the outer coating of cells (membrane) in the body of animals. The cholesterol we have in our blood comes from two sources:
- Liver Production
- The food dairy, meat, fish, ...
After each meal, cholesterol is absorbed by the intestine, is in the blood and is packaged in a protein coat. These proteins are then removed by the liver.

When you go to the doctor, was presented to "bad" cholesterol in the blood and maintain the "good" cholesterol high. Ok What does this mean?

# Bad or LDL cholesterol, low density lipoprotein: These protein deposition of cholesterol in the arteries, forming a hard substance called cholesterol plaque. Over time, this plaque to the LEDs in a narrowing of the process of atherosclerosis in the arteries. Because it can clog the arteries, so that LDL is associated with increased coronary disease Riks.
When the liver of many LDL receptors, which helps accelerate the elimination of LDL-cholesterol from the blood and helps the bad cholesterol down. The number of LDL receptors is dependent on both diet and heredity. For example, persons with known hypercholesterolemia have a very low number of LDL receptors and therefore often have a high level of bad cholesterol. Moreover, the bad cholesterol increases with diets high in saturated fats (vegetable oils and products derived primarily from meat and dairy products).

# Good HDL cholesterol or high density lipoprotein: These particles to remove cholesterol from artery walls and remove them through the liver. So prevent atherosclerosis.

Lifestyle factors and other conditions affecting HDL-cholesterol. HDL-cholesterol are lower in smokers, for example, people who eat too many sweets, and even those who are overweight and inactive. Moreover, estrogen increases levels of HDL-cholesterol, usually older women of good cholesterol than men.