It has long been thought that the lunar body resulted from an impact between the early Earth and another planet-sized object 4.5 billion years ago.

BBC: Moon formation: New spins put on old questions

The object was to test whether treating patients early and aggressively with a cholesterol-lowering drug would prevent them from having a second heart attack, having a stroke, returning to the hospital or dying.

FORBES: Cholesterol Study Poses Dangers For Merck