Because the Navajo health system classifies illness by rather than by symptom, clients may have difficulty understanding the necessity for a physical exam or medical history.

Cause

Explanation:

Navajo health system classifies illness by

CAUSE rather than by symptom, clients may have difficulty understanding the necessity for a physical exam or medical history because the client will only be interested by what actually cause the illness or the cause of the illness rather than the symptoms of the illness which will lead the client to experience difficulties in understanding the necessity or important for a physician examination of their body or their past medical history because their believe will be once the cause of the illness is known, then no need for medical history.

Cause.

Explanation:

The Navajo health system is a health service or program for the Indian Health Services and according to the health system, they believed that once the cause is known there should not be any need for medical history and there will not be any need for physical examinations. The Navajo health system believes that illness should not be classified by the symptoms in which the client or patient is to say that Navajo health system believes that when one knows the cause of a sickness then the solution or the treatment to the disease can start.