Anergy

Anergy (anergia; an-– otritsa. a prefix + Greek ergon – action, work):

  1. In psychiatry – decrease (to total absence) a mental, speech and physical activity;
  2. Total absence of reactions of an organism to any irritants.
 
Whether you know that:

The educated person is less subject to brain diseases. Intellectual activity promotes formation of the additional fabric compensating sick.