non commuciable diseases p9

What is coronary heart disease

Layers of fatty material build up inside the coronary arteries, narrowing them - resulting in lack of oxygen for the heart

What is a stent

A device inserted into a blocked artery to keep it open allowing more blood and oxygen to the heart

What are statins

Drugs that reduce blood cholesterol levels, slowing the rate of fatty material deposit

What is a faulty heart valve

Heart valve that doesn’t open properly or leaks

How can a faulty heart valve be treated

Replace with a biological or mechanical valve

When do heart transplants take place

In cases of heart failure

What are artificial hearts used for

Keep patients alive while waiting for a transplant or allow the heart to rest for recovery

Define health

Stater of physical and mental well being

What factors can affect health

• disease

• Diet

• Stress

• Exercise

• Life situations

What is a risk factor

Aspect of lifestyle or substance in the body that can increase the risk of a disease developing

Give five risk factors

• poor diet

• Smoking

• Lack of exercise

• Carcinogens

What is cancer

A result of changes in cells that lead to uncontrolled growth and cell division by mitosis

What are malignant tumours

Cancerous tumours that can spread to neighbouring tissues and other parts of the body in the blood forming secondary tumours

What are benign tumours

Non cancerous tumours that do not spread in the body

What two types of risk factors affect the development of cancers

Lifestyle and genetic risk factors

What is carcinogen

A substance that can cause cancers to develop