And no wonder. Biochemistry is hardly simple, even for biochemists. Here are a few cholesterol review notes.
Cholesterol is a fat-like substance found in all animal cells, human and otherwise.
It is essential to life. Cholesterol is attached to protein packages called lipoproteins, which are assembled in the liver and circulate in our bloodstream. High blood cholesterol is a known risk factor for heart attack. The chart below will refresh your memory on guidelines for total cholesterol and HDL cholesterol. The latter is known as the International System.