Why Do We Fall Ill – Diseases
* Health is a state of physical, mental and social well being.
* Disease is an unhealthy condition caused by micro organisms, improper diet or is inherited.
* Bacteria cause disease like typoid, cholera, tuberculosis and anthrax.
* Viruses cause the common cold, influenza, dengue fever, AIDS and rabies.
* Fungi cause skin infections.
* Protozoa causes malaria.
* Worms cause elephantiasis.
* The AIDS virus attacks the immune system and damages its function
Why Do We Fall Ill – Transmission of Diseases
* Air, water, food, physical contact and vectors are means of transmission of infection disease.
* Prevention of diseases is more desirable that it’s successful treatment.
* Availability of proper and sufficient food for everybody is a basic principle of prevention of infectious diseases.
* Immunization is another way to prevent infectious disease.
* Infection disease can be prevented by providing public hygiene and immunization to everyone.