4.2.2.5 Health issues

Question 1

What is health

Answer 1

The state of physical and mental well-being

Question 2

What is a communicable disease

Answer 2

Disease caused by microorganisms that can be transmitted for one person to another

Question 3

What is a non communicable disease

Answer 3

A disease which cannot be transmitted from one person to another

Question 4

What is a risk factor

Answer 4

An attribute that increases individual’s chance of developing a disease

Question 5

How can diet affect health

Answer 5

Too much food or a high fat diet and linked to obesity and type 2 diabetes
Too little food / lack of nutrition -amenia vitamin deficiencies

Question 6

How does alcohol affect liver and brain function

Answer 6

Excessive long-term alcohol use may lead to liver cirrhosis
Increase risk of liver cancer
Damages brain tissues and nerve cells

Question 7

How does smoking affect the heart

Answer 7

Narrows blood vessels
Damages vessels lining
Increases blood fat pressure as nicotine is a stimulant which increases heart rate

Question 8

How does radiation affect the health

Answer 8

Radiation penetrate cells and damages DNA leading to mutation
Mutation in the DNA can affects self-division
If cell division is uncontrolled it can lead to cancer