Why do we fall ill
Main Concepts
Health- Health includes the physical, mental, and social well-being of a
person. Physical means the person does not have any type of disease,
wound etc. In his or her body. Metal means a person is psychologically
well and is not depressed. Social well-being means that the person has
good relations with his family and friends.
Disease- It means a person’s health is disturbed. It does not mean that
the symptoms are caused it means that a person is having a proper
disease.
Disease-Free- A person is not disease free if he or she does not have a
disease it means the person must have good surrounding too.
10 Key Facts
Acute diseases: Short time (cold, fever)
Chronic diseases: Long time (TB, diabetes)
Infectious: Spread person-to-person (virus, bacteria)
Non-infectious: Personal (cancer, heart disease)
Pathogens: Disease causing germs (virus, bacteria, fungi)
Vectors: Mosquito, flies (carry disease)
Immunity: Body fights disease (antibodies)
Vaccine: Weak germ → train immunity
Antibiotics: Kill bacteria (not virus)
Prevention: Clean water + hygiene > cure
6 Exam MCQs
1. Health means: (a) no disease (b) total well-being ✓
2. Long-term disease: (a) acute (b) chronic ✓
3. Spreads by air: (a) infectious ✓ (b) cancer
4. Mosquito disease: (a) vector ✓ (b) vaccine
5. Antibiotics work on: (a) virus (b) bacteria ✓
6. Vaccine gives: (a) disease (b) immunity ✓
Quick Revision
Main Concepts
Health- Health includes the physical, mental, and social well-being of a
person. Physical means the person does not have any type of disease,
wound etc. In his or her body. Metal means a person is psychologically
well and is not depressed. Social well-being means that the person has
good relations with his family and friends.
Disease- It means a person’s health is disturbed. It does not mean that
the symptoms are caused it means that a person is having a proper
disease.
Disease-Free- A person is not disease free if he or she does not have a
disease it means the person must have good surrounding too.
10 Key Facts
Acute diseases: Short time (cold, fever)
Chronic diseases: Long time (TB, diabetes)
Infectious: Spread person-to-person (virus, bacteria)
Non-infectious: Personal (cancer, heart disease)
Pathogens: Disease causing germs (virus, bacteria, fungi)
Vectors: Mosquito, flies (carry disease)
Immunity: Body fights disease (antibodies)
Vaccine: Weak germ → train immunity
Antibiotics: Kill bacteria (not virus)
Prevention: Clean water + hygiene > cure
6 Exam MCQs
1. Health means: (a) no disease (b) total well-being ✓
2. Long-term disease: (a) acute (b) chronic ✓
3. Spreads by air: (a) infectious ✓ (b) cancer
4. Mosquito disease: (a) vector ✓ (b) vaccine
5. Antibiotics work on: (a) virus (b) bacteria ✓
6. Vaccine gives: (a) disease (b) immunity ✓
Quick Revision
