SESSION 3: COMMUNICABLE & NON-
VACCINATION, DEHYDRATION AND
EMERGENCY FIRST AID
Disease is the condition of obstructing important biological functions in the body
due to physiological obstructions or mental disorders.
A disease is an unhealthy state when your body shows unusual symptoms. There
are different types of diseases. In this chapter we will study about different
diseases, their causal factors, their symptoms and remedies to avoid them.
Purpose and importance of this chapter
1. Study different types of human diseases
2. Study about different measures to prevent the diseases
3. Vaccination and its importance
4. To understand the reasons, symptoms and treatment of dehydration
Before proceeding with this chapter further, we need to understand the
meaning of some of the terms which are described below:
1.Healthy state - It can be determined by the measurement criteria; For example,
natural temperature of the body, rotation of the pulse of every minute and the
frequency of breathlessness, blood pressure, weight, height etc. These criteria
and their dimensions are statistical (statistical) dimensions determined by many
individuals' observations. These parameters are changing according to age,
gender, geographical area, climate, occupation of business etc.
2. State of health: There are certain parameters through which the doctors
measures the condition of health for anyone. Some of these parameters are
natural body temperature, pulse rate, breathing rate, blood pressure, weight,
height, etc. All these criteria and their dimension (reading) are not rigid and it
changes according to person's age, sex, geographic area, environment, profession
etc. Therefore these are calculated by the experts, keeping in mind above
3. Diseases: Disease is a condition of the living (animal or plant) being where
one/several of its parts. There are some diseases which manifests its symptoms
very soon and some diseases keep spreading inside the body and their symptoms
are manifested after several years such as diabetes, low or high blood pressure,
early stage cancer etc. Some inactive genetic diseases rests inside the body for
lifelong and sometimes they manifests themselves in next generation.