health and diseases

Chapter-13Why Do We Fall Ill

Health

What is health?

• A state of ‘being well’

A state of being well enough to function well 1. Physically2. Mentally3. Socially

Being Healthy Is Different For Different

persons.

SIGNIFICANCE OF GOOD HEALTH

• Increase in Efficiency Of Work•Progress As Whole•Happy And Cheerful• Initiative For Betterment•Family •Meaningful Existence

FACTO

RS IMPO

RTANT

FOR

STAYI

NG IN G

OOD HEALT

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• Physical Environment• Social Environment• Cleanliness (Personal Hygiene and Public

Cleanliness)• Good Food• Good economic conditions• Social Equality and harmony (an example

of how community issues effect individual health)

• To have the opportunity to realise the unique potential in all of us

Good Health Includes…

Definin

g D

isease

Disease = Dis +

Ease = Disturbed Ease and there is a

specific cause for this

discomfort. Disease is any harmful

change that interferes

with the normal appearance, structure,

or function of the body

or any of its parts.

Reasons of Falling Ill

There should be no discomfort to the individual.There should be no specific and particular cause for a discomfort 

 Conditions essential for being free of a disease

Difference between being ‘healthy’ and ‘disease free’

Healthy Disease Free

Definition

Dependence

Health And Disease Relation

Performance

Health Statistics and Informatics

DISEASE AND IT’s CAUSES

CAUSES OF DISEASESThere are many causes and types of

diseases such as (1) Infectious disease(2) Physical diseases(3) Water or food born(4) Sexually transmited(5) Mental diseases and alzheimer’s disease(6) Manic depressive illness(7) Deficiency disease(8) Degenerative diseases(9) Caused By pathogens

INFECTIOUS DISEASE

• Infectious disease are those caused by infections like by spreading from one to another by pathogens

• They are also called communicable disease

Example:common cold , swine flu, Measles etc.

PHYSICAL DISEASES

•It is the inner body parts disease such as bone ,

lungs, etc

ExampleExcess increase of bone

WATER OR FOOD BORN

They Are Disease Caused By ConteminatedWater or

Food

Example• Cholera- Salmonella cholerae

• Typhoid

SEXUALLY TRANSMITED

•Examples• Gonorrhoea

• HIV• Syphilis - Treponema pallidum

Can I get it from toilet seats or towels

You cannot it get it from toilet seats or swimming pools or by

sharing cups and towels.

Mental diseases And Alzheimer’s disease

• A disease that affects a person’s mind• Thoughts, emotions,

memory and personal and social behaviour• Example of a mild

condition is claustrophobia• Alzheimer’s disease---

Right

MANIC DEPRESSIVE ILLNESS

• In manic depressive illness, sufferers experience mood swings that are far beyond what most people ever experience in the course of their lives. These mood swings may be low, as in depression, or high, as in periods when we might feel very elated. These high periods are known as ‘manic’ phases.

Deficiency disease

• Scurvy – vitamin C• Night blindness – vitamin A• Rickets – vitamin D• Iron deficiency - anaemia

RICKETS

Degenerative diseases

• A gradual loss of function in one or several organsor tissues can occur (associated with a progressivedestruction of specialised cells) in youth or middle age• Reasons for this loss of function:

- Immune system attack its own cells- Deficiency in childhood which leads degeneration later in life.• Types of Degenerative diseases• Skeletal muscle and nervous system

Examples: muscular dystrophy, multiple sclerosis, motor neurone and

Alzheimer’s

Cardiovascular Examples: coronary heart disease and stroke

CAUSED BY PATHOGENS

Examples: Chicken GuineaMalariaDengue

Global Statistics ·         40% of the world's population is at risk ·         300-500 million new cases/year ·         1.5-2.7 million deaths/year ·         Malaria is endemic to over 100 countries and territories ·         More than 90% of all cases are in sub-Saharan Africa

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