Question 31
What is a disease? How many types of diseases have you studied? Give examples.
Disease (disturbed ease) means being uncomfortable. One or more systems of the body will change; giving rise to “Symptoms” (cough, loose motions, pus formation, headache, fever, breathlessness, vomiting, fits, unconsciousness, inflammation, swelling and general effects - a Doctor looks for the symptoms).
Diseases are basically of two types- Acute Disease & Chronic Disease
a) Acute Disease: The disease which lasts for only a short period of time is called Acute Disease Ex. Common Cold.
b) Chronic Disease: The disease which lasts for long period of time is called Chronic Disease Ex. Tuberculosis.
Type of DiseaseExample1)Bacterial diseasesTyphoid, Cholera, Tuberculosis, Acne, Anthrax2)Viral diseasesCommon Cold, Influenza, Dengue fever, AIDS, Japanese encephalitis or brain fever3)Fungal diseasesSkin diseases4)Protozoan diseasesMalaria ( Plasmodium), Kala-azar (Leishmania),Sleeping sickness(Trypanosoma)5)Worm diseasesAscariasis (Round worm), Elephantiasis (Wuchereria )