Health and disease
- Created by: pladoo
- Created on: 18-10-19 14:12
Health is a state of physical, mental and social wellbeing not merely the absence of disease.
Disease - a condition of part of an organ or a system resulting from various causes. A departure from health
Pathogen - a microorganism that causes harm or disease,
To maintain good health
- Eat a balanced diet
- exercise regularly
- reduce stress
- seek medical help for physical or mental difficulties
- avoid smoking
- control of alcohol consumption
Communicable disease - illnesses which result from infection by microorganism and are contagious
- Tuberculosis
- ebola
- chlamydia
- aids
- influenza
Non-communicable disease - illnesses which result in unhealthy lifestyles and sometimes inheritance
- Diabetes
- cancer
- Alzheimer's
- cardiovascular disease
- Asthma
Some disease can lead to another
For instance
Hiv can lead to Cancer
Diabetes can increase the risk of coronary heart disease.
Communicable diseases
Contact - conjunctivitis
aerosol - tuberculosis
body fluids - Hiv
water - cholera
insects - malaria
contaminated food - food poisoning
Types of Diseases
Hiv (Human immunodeficiency virus) - attacks white blood cells and reduces the ability to fight diseases: Can be prevented by using condoms during sex, needle exchange program, screening of donated blood.
Malaria (It is caused by a parasite spread by mosquitos) - causes high fever, headache, nausea, vomiting and sweating It can be prevented by vaccinations, covering arms and legs, tablets and mosquito nets.
Ash dieback (It is caused by a fungus) - causes leaf decay: burning spores on the trees, get rid of the tree infected.
Chlamydia (caused by bacterial infection) - causes infertility in adults, pneumonia. It can be prevented by using a condom or be cured by antibodies
Defence against diseases
Airways - Coughing
Nose - Snot
Ear - Ear wax
Eyes - Tears
In-hospital climate - vagina
Primary defences
Skin - outer layer epidermis (outer layer) contains…
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