Diseases

Disease is composed of two words "dis" and "ease" which means lack of ease or comfort.Webster has defined as "a condition in which body health is impaired,a departure from a state of health."The oxford english dictionary defines the term disease as" a condition of the body in which its functions are disturbed.'There are two types of disease they are communicable and non-communicable disease.

Communicable disease:communicable disease is an illness caused by a specific infectious agent or toxic products.It is directly or indirectly transmitted from man to man animal to man,from the environment to man.some of the name of disease are listed as Round Worm(ascarislumbricoides),Diarrhoea,Dysentry,Cholera,common cold etc.