Why do we Fall ill – Notes
Health is a state of physical, mental and social well being.
Disease is an unhealthy condition caused by microorganisms, improper diet or is inherited.
Bacteria cause diseases like typhoid, 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.