Fantastic comment. Medical history is replete with quack-theories and charlatans offering various cures. Blood-letting to balance the body's "humours" for examp

Fantastic comment. Medical history is replete with quack-theories and charlatans offering various cures. Blood-letting to balance the body's "humours" for example. The wonderful thing about scientific progress is that it shrinks the space quacks and charlatans have to peddle their pet theories and cures.