Cholesterol Myths Revealed: The Good and the Bad
While circulating blood cholesterol is important to know
about, another accurate indicator of increased cholesterol
levels and cardiovascular risk are the molecules that actually
transport the cholesterol to the cells.
In order for cholesterol to travel through blood, it must
attach itself to small fat-carrying proteins called lipoproteins.
The higher the proportion of protein in the lipoprotein, the
greater is its density.
I'll have to get a bit technical here: The least dense lipoproteins
are the chylomicrons, which carry very little cholesterol.
Next, come the very low-density lipoproteins(VLDL), which
roughly carry 15% of the circulating cholesterol. Following
the VLDL are the LDL which are the most notorious
since they carry roughly 65% of all circulating cholesterol.
High LDL levels are almost always a sure sign of
atherosclerosis, a life-threatening heart condition.
Lastly comes the "good" cholesterol, high-density lipoproteins(HDL),
which are the smallest and densest of the lipid-carriers.
These actually carry cholesterol from the cells to the liver
so that they can be processed as bile acids, excreted in the
bile as cholesterol, or returned to the plasma as a component
of VLDL. In other words, they dispose of the cholesterol.
There are several notable factors that can dramatically influence
blood cholesterol levels.
How Do I Lower My Cholesterol?
There are several ways to lower your cholesterol. First
of all, exercise more. This will help control weight and elevate
HDL levels. Secondly, you should try to...
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