alt Hacker Newsgp is likely referring to a specific diet called The Mediterranean Diet, "inspired by the eating habits and traditional foods of Greece, Italy, and the Mediterranean coasts of France and Spain, as observed in the late 1950s to early 1960s."
gp is likely referring to a specific diet called The Mediterranean Diet, "inspired by the eating habits and traditional foods of Greece, Italy, and the Mediterranean coasts of France and Spain, as observed in the late 1950s to early 1960s."