B2: NON-COMMUNICABLE DISEASES

Question 1

What is a non-communicable disease?

Answer 1

a disease that cannot spread between organisms

Question 2

Risk factors that can affect health

Answer 2

-diet
-stress
-life situation (eg: if you have access to medicine)
-lifestyle (eg: how much excercise someone does)
-environment (eg: air pollution)
-genetics

Question 3

What is cancer?

Answer 3

uncontrolled cell growth and division

Question 4

What is a benign tumor?

Answer 4

-tumor grows and usually stays within a membrane rather than invading other tissues
-normally not dangerous or cancerous

Question 5

What is a malignant tumor?

Answer 5

-tumor grows and spreads, invading healthy tissues and forming secondary tumors
-dangerous (can be fatal) and cancerous

Question 6

Risk factors of cancers

Answer 6

-smoking (linked to: lung cancer, mouth cancer, bowel cancer, stomach cancer, cervical cancer)
-obesity (linked to: bowel cancer, liver cancer, kidney cancer)
-UV exposure (linked to: skin cancer)
-Viral infection (linked to: liver cancer (infection with hepatitis B and hepatitis C))
-genetics