Though diseases can be caused by noxious chemical substances [organic or or inorganic], or force. Harmful micro-organism mostly unicellular [single celled] are major cause.
When the disease is diagnosed late, treatment is augmented with other measures in order to prevent the development of disabilities or sequelae. This kind of preventive intervention is called dehabilitation or disability limitation.
Treatment, disability limitation and rehabilitation are akin to extinguishing the fire after it has affected a structure. Just as it is sensible to see fire does not break out in the first place it is prudent to ensure disease do not affect people at all.
One method of primary prevention is to make people strong in body and mind and provide them with an environment at home, at side of work and at place of recreation divested of hazards and inimical influences.This kind of primary prevention is called ‘health promotion’ a strategy President William Ruto is envisaging to implement.