Health reasons may arise which do not prevent you from attending for work but which prevent you from carrying out your normal duties (e. g. a lack of dexterity or general ill health).

Congenital deficiency, bad living habits or being stimulated by character, the intense from the fast speed of life and work, environmental pollution and atrocious weather can cause sub-health problem.

Among the causes that lead to inferior health, harmful life style and various pressures have the leading effect.