A disease is any change of state of health which disturbs ir hinders the proper functioning of the body of the individual.
- Accute disease: an acute disease is a disease that develop rapidly and last for a short time
- Chronic disease: it develop slowly and last for a very long time
- Infectious disease: it is a disease that is caused by pathogen like bacterial, viruses, fungi etc and can be spead from one person to another malaria etc
- Non-infectious disease: it is a disease not caused by pathogen and cannot be spread from one person to another, the are caused by excessive or shortage of substances in the body
- Pathogen: these are disease causing agent
- Pathogenicity: it describe the ability of an organism to causes disease
- Vinilence: it is the degree of pathogenicity bacterial that causes server forms of disease
- Symptoms: the consist of the patient complain or condition felt by the partient which can not be abserve by the unlooker or doctor.
- Infection: it is the entering of the invasion and the subsequences development or multiplication of a pathogen
- Incubation period: it is the time take for a disease to manifest itself
- Health: health according to WHO it is the state of physical, mental or social fitness of wellness of an individuals.
DEFICIENCY DISEASES
It refers to a disease that occurs as a result of lack of important nutrient e.g Kwashiokor
INHERITED DISEASE: these are disease that are present at birth eg sickle cell anomia, haemophilia etc such diseases cannot be cure.
NB : deficiency disease and inherited disease are not contagious.
TRANSMISSION OF DISEASES
Ways in which disease can be transmitted
- Food born; poor keeping of food may cause the contamination of food which may transmite disease in your body.
- Air born disease: the inspiration of contaminated through couffing and all the rest can contaminated
- Water borne disease: diseases can be obtained by contaminated water by drinking that water.
- Insect borne disease: disease can be transmitted from one person by the means of insect that is the mosquito feet himself on the blood
- Sexual transmitable disease
TREATMENT OF DISEASES OR THERAPY
- Therapy: it is the treatment of diseases after diagnosis have been done
- Physiotherapy: it refers to the treatment by physical activity lilke massage, doing sport
- Chemotherapy: it is the treatment of disease by the use of chemicals substance such as drugs antibiotic etc.
- Radiotherapy: it is the treatment of diseases by the use of radiation e.g cancer
- Serotherapy: it is the treatment and prevention of a disease by the use of blood serum containing antibiotics
- Surgery: it is the treatment of diseases or injury by operation, those who practice operation are known as surgeons
DISEASE CAUSING ORGANISMS
Most diseases in human are caused by micro-organism such as;
- Viruses: poliomyelitis, rabbies, chicken pox, common cold, measles etc.
- Bacterials: tuberculosis, typhoid, fever, cholera leprosy, whoping, cough, tetanus etc
- Fungi: ring worm, athletsfoot.
