Diseases
A disease
is the functional or physical change from a normal state that affects the
health of a person by causing disability or discomfort. The following are
reasons that could leads to the development of disease in an individual.
1. Infection caused by
disease-causing microbes
2. Lack of balanced diet
3. Poor lifestyle and unhealthy
habits
4. Malfunctioning of one or more
body parts or organs
Different kinds of
sickness and their causes
The prevention and treatment of
sickness can be considered in two groups for their better understanding. They
are, communicable and non-communicable disease.
1. Communicable Diseases
Communicable diseases are those thatspread from one person to another. Healthy persons must be protected from people with communicable diseases. Diseases spread through contaminated air, water, food or vectors (insects and other animals)
Health Risks
1. a. Diseases Caused by Bacteria
In this lesson, you will study about
some communicable disease (like tuberculosis, Cholera and Typhoid), which are
caused by microbes and spread through air, water and some other organisms also.
Tuberculosis:
TB is caused by Mycobacterium tuberculae and spreads from one person to
another person through air by spitting and prolonged contact with sharing
materials of the patient. The symptoms are fever, weight loss, chronic cough,
bloody spitting and difficulty in breathing.
Prevention and
treatment
* BCG vaccination,
* Giving special attention to the
patient,
* Regular medication like DOT
Cholera:
Cholera is caused by Vibrio cholera
and spread through the consumption contaminated food or water. The symptoms of
Cholera is Vomiting, severe diarrhea and cramps in legs.
Prevention and
treatment
* Good hygienic practices like,
washing hands before eating.
* Avoid eating uncovered food from
street vendoers.
* Drinking boiled water.
* Getting Vaccination against
cholera
Typhoid:
Typhoid is caused by Salmonella typhi and spreads by
contaminated food and water. The symptoms are Anorexia, headache, rashes on
abdomen, dysentery and high fever up to 1040F.
Prevention and
treatment
* Drinking boiled clean water
* Proper disposal of sewage
* Vaccination
1.b. Disease Caused by Virus
Viral diseases are extremely
widespread infections caused by many type of viruses. In this lesson you will
learn about some disease caused by viruses like, Hapatitis, Chickenpox and
Rabies.
Hepatitis:
Hepatitis is one of the most
dangerous and fatal diseases caused by Hepatitis virus-A, B, C, D, E. Its mode
of transmission is Contaminated water, sharing of needles and blood
transfusion. The symptoms of hepatitis is loss of appetite, (Anorexia),
vomiting, eyes and urine in yellow color.
Prevention and
treatment
* Drinking boiled water,
* Proper cleaning of hands
Chickenpox:
Chickenpox (chicken pox), also known
as varicella, is a highly contagious infection caused by the varicella zoster
virus. . This disease spreads through air and contact with an infected person.
Its symptoms is appearance of rashes on the whole body, fever, headache and
tiredness.
Prevention and
treatment
The chickenpox (varicella) vaccine
is the best way to prevent chickenpox Special attention should be given to
the infected persons. Special
attention should be given
to the infected persons.
Rabies:
Rabies is a fatal disease. Which is
transmitted by the bite of the infected dog, rabbit, monkey, cat etc. The virus
present in the saliva of dog enters the brain via neurons. The symptoms of
rabies is hydrophobia (extreme fear for water), fever for 2 – 12 weeks and
exaggerations in behavior.
Prevention and
treatment
* In early stages rabies is very
difficult to detect
* After an animal is bitten it
usually takes two to twelve weeks to shows any symptoms and it may take as long
as two years also.
* Fatality can be prevented by
timely vaccination before the onset of symptoms.
Vaccine
A vaccine is abiological preparation that provides active
acquired immunity to a particular disease. Vaccines like (BCG,Polio, MMR) are
given at early child wood to protect from other diseases.
ACTIVITY 4
Visit nearby Primary Health Centre and collect information
about the vaccination given to the children of 0-15 years. Meet a doctor or a
health worker in the hospital and enquire about the types of vaccines are
available there? disease can be prevented by their usage? Collect the list
about the age it should be given?
2. Non-Communicable diseases
Communicable diseases do not spread
from person to person. They are caused by other factors. Therefore, it is
important to know which sickness are communicable and which are not. They are
never caused by germs, bacteria, or other living organisms that infect the
body. Antibiotics, or medicines that fight against germs do not help to cure
non-communicable diseases.
Problems caused by wearing out of body parts:
* Rheumatism, heart attack,
epileptic seizures, stroke, migraine headach. Cataract and cancer
Problems caused by external harmful agents entering the body:
* Allergies, asthma, poisons,
snakebite, cough from smoking, stomach ulcer, alcoholism.
Problems caused by a lack of trace elements in the body:
* Anemia, pellagra, night blindness
and xerophthalmia, goiter and hypothyroidism.
Problems caused by Malnutrition.
*
Nutritious food is
needed for a person to grow well, work hard, and stay healthy. Many common
sicknesses are caused by malnutrition.
Leucoderma is a non–communicable diseases caused by partial or total loss of pigmentation
in the skin. (melanin pigment). This
condition affects any age, gender and ethnicity. There is no cure. It does not
spread by touching, sharing food and sitting together.
Specific health problems of children Anaemia
It is caused by eating food with
less iron content and can also caused due to feeding some other foods instead
of breast milk. Severe anemia in children may leads to hookworm infection,
chronic diarrhoea and dysentery. In recent day school going children,
especially the girls are affected by anemia. The Government of Tamil Nadu provides
weekly iron folic tablets to all the girls in the schools of all areas.
The signs of anemia
are:
* Pale or transparent skin, The
inner surface of eye lids are pale, white fingernails, pale gums, weakness and
fatigue.
* In severe cases, face and feet may
be swollen, the heartbeat is rapid and with shortness of breath.
* Children and women who eats mud
are usually anemic.
Treatment and
prevention of anemia:
Consuming iron containing food Sources
* Food – Moringa leaves, Dates,
Liver (Sheepand Chicken), Green, green leafy vegetables like beans, peas,
lentils and Greed banana.
* Pills - Cod liver oil tablet,
Ferrous sulfate.
As a general rule, iron supplements should be given
orally, not to be injected, because it leads to dangerous.
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