Too much + too often = too risky. It makes a difference both how much you drink on any day and how often you have a heavy drinking day, that is, more than 4 drinks on any day for men or more than 3 drinks for women.
Pan-Pan is derived from the French word panne, which means failure or breakdown. Pan-Pan most often refers to a mechanical failure or breakdown of some kind.
Definition of Pan : a Greek god of pastures, flocks, and shepherds usually represented as having the legs, horns, and ears of a goat Pan is often depicted playing a panpipe.