Researchers got excited about HDL in the late 1990s because they found a way to raise it by blocking a molecule called cholesterol ester transfer protein (CETP).

FORBES: Good Cholesterol Goes Bad

Both work by inhibiting an obscure molecule called the cholesterol ester transfer protein (CETP) that works indirectly to prevent HDL from being used to create low-density lipoprotein (LDL), the bad cholesterol.

FORBES: Magazine Article