Note: Do not rely on this information. It is very old.
Haemophilia, or Hemorrhagic Diathesis. The subjects of this disease display a tendency to lose large and even alarming quantities of blood on very small provocation. Thus a mere scratch may produce considerable heemorrhage, and even the smallest operations, such as the extraction of a tooth, cannot in persons who suffer from the malady be undertaken without considerable apprehension. Haemophilia is eminently hereditary, and generally affects the males of a family while the females escape Though the female portion of a "bleeder family" do not themselves suffer from the disease, they transmit it to their male offspring.