<p>PEOPLE form habits which cause nervous strain.</p><p>&nbsp;</p><p>When these habits have fixed themselves for long enough upon their victims the nerves give way and severe depression or some other form of nervous prostration is the result.</p><p>&nbsp;</p><p>If such an illness turns the attention to its cause and so starts the sufferer toward a radical change from habits which cause nervous strain to habits which bring nervous strength then the illness can be the beginning of better and permanent health.</p>