ACCORDING TO “READER’S DIGEST”  (what they know about diets I don't know, but I'm happy they're still around):

IF YOU’RE A SALTAHOLOIC, THERE’S A CHANCE IT’S BECAUSE YOUR MOM EXPERIENCED SEVERE MORNING SICKNESS WHILE YOU WERE IN UTERO. BECAUSE THOSE BABIES WERE DEHYDRATED IN THE WOMB, THEY ENJOY SALT MORE AND THE PREFERENCE CAN STAY WITH THEM FOR LIFE.