Category of disease |
Your explanation or definition | Examples |
---|---|---|
Degenerative
|
gradual decline in body functions | coronary heart disease, multiple sclerosis, Huntington's |
Physiological
|
abnormal functioning of body | heart problems, sickle cell anaemia |
Dietary
|
deficiency (absence) of substances in diet | scurvy (not enough vitamin C) -anaemia (not enough iron) |
Environmental | due to chemical/physical influences in environment | asbestosis, asthma, lung cancer |
Inherited
|
genetic "fault"- passed on from one generation to next - perhaps by "carriers" | haemophilia, cystic fibrosis,Huntington's |
Method of disease transmission |
Example of disease | Type and further details of causative organism |
Another example |
---|---|---|---|
in air (droplets) | influenza | virus | |
in food | Salmonella | bacterium | |
in water | cholera | bacterium | |
by contact | athlete's foot | fungus - spread by damp | |
by body fluids | hepatitis B | virus - blood products | |
by animal vector
(and name of vector) |
malaria | protozoan/protoctistan
(Anopheles mosquito) |
|
by animal vector
(and name of vector) |
dysentery | bacterium
(housefly) |