Introduction to Disease

Front

What is hay fever?

Back

Hay fever is an allergy to certain particles in the environment, like pollen, dust, mould, or animals. It is non-infectious.

Front

What is an infectious disease?

Back

An infectious disease is a contagious disease caused by pathogens.

Front

What is cancer?

Back

Cancer is a disease that forms when cell growth gets out of control.

Front

What are symptoms of a disease?

Back

Symptoms are changes in your body that prevent it from working normally, such as a stuffy nose, fever, or chills.

Front

How is disease defined?

Back

Disease is a condition that impairs the normal function of an individual.

Front

What is the difference between infectious and non-infectious diseases?

Back

Infectious diseases are caused by pathogens and can be spread from person to person, while non-infectious diseases cannot be spread and are often caused by environmental factors or genetics.

Front

What are pathogens?

Back

Pathogens are microorganisms that can cause disease, including bacteria, viruses, fungi, and parasites.

Front

What is an allergy?

Back

An allergy is a reaction of the immune system to a substance (allergen) that is usually harmless, such as pollen or pet dander.

Front

What is the role of the immune system?

Back

The immune system protects the body from infections and diseases by identifying and destroying pathogens.

Front

What is a chronic disease?

Back

A chronic disease is a long-lasting condition that can be controlled but not cured, such as diabetes or heart disease.