Once upon a time, cholesterol was simple. This molecule, it was proclaimed, came in two varieties: an artery-clogging “bad” sort and an artery-clearing “good” one. The difference was not in the cholesterol molecules themselves, but rather in the way they are packaged up for transport in the bloodstream as nanoparticles called low-density lipoproteins (LDLs) and high-density lipoproteins (HDLs).
Or create a free account to unlock just this article