Health

Question 1

How do different diseases interact

Answer 1

• Defects in the immune system mean that an individual is more likely to suffer from infectious diseases

Viruses living in cells can be the trigger for cancers

Immune reactions initially caused by a pathogen can trigger
allergies such as skin rashes and asthma

Severe physical ill health can lead to depression and other
mental illness.

Question 2

Factors that can cause ill health or risk factors

Answer 2

Diseases, both communicable diseases
and non-communicable, are major causes of ill health.

Other factors
including diet, stress and life situations may have a profound effect
on both physical and mental health

Question 3

How do diseases affect countries nationally

Answer 3

human and financial cost of these noncommunicable diseases to an individual, a local community, a nation or globally

As more people ill less people work can cause one less earner in a family

Question 4

What are risk factors

Answer 4

Risk factors are linked to an increased rate of a disease.
They can be:
* aspects of a person’s lifestyle
* substances in the person’s body or environment.

Question 5

What can smoking increase risk factors for

Answer 5

lung disease , lung cancer and CHD this is because chemicals in cigarettes (tar or nicotine) damage the alveoli in the lungs and endothelial lining in arteries

Question 6

what are communicable diseases

Answer 6

Communicable diseases are caused by microorganisms called pathogens which can spread between individuals or individuals and animals

Question 7

Obesity risk factor

Answer 7

Type 2 diabetes , CHD and cancers due to excess consumption of insulin reduced sensitivity to insulin

Question 8

Alcohol risk factors

Answer 8

liver disease and brain function. Breakdown of alcohol in the liver produces toxins to the liver n neurons damaged affecting brain

Question 9

Exposure to carcinogens

Answer 9

Carcinogens, including ionising radiation, as risk factors in
cancer. Can harm DNA leading to uncontrolled cell division

A carcinogen is a substance, organism or agent capable of causing cancer.

Question 10

Drinking alcohol and smoking when pregnant

Answer 10

Leads to poor foetus development

carbon monoxide leads to less oxygen to foetus

alcohol can impair growth of baby brain