Health and Disease Flashcards
What are communicable diseases meaning?
What can it be caused by?
Two examples?
Diseases that can be spread from person to person / animals and people.
Can be caused by bacteria, viruses, parasites or fungi.
Measles and Malaria.
What does non communicable disease mean?
An example?
Diseases that can’t be spread from animal and people.
E.g coronary heart disease
When people have immune system problems, are they more likely to suffer from communicable or non communicable disease?
communicable.
An immune system reaction caused by a pathogen can lead to what reaction?
Allergic reaction e.g a skin rash, or worsen asthma.
What part of body do viruses infect?
cells.
Viruses can also lead to some types of cancer.
How can physical health problems cause mental health problems?
People may become depressed if they can’t do everyday things.
4 Factors that may cause poor health.
Poor diet as poor in nutrients.
Constant stress.
Life situation - affects access to medicine.
What do risk factors increase?
Chance of getting disease.
How do lifestyle factors to getting diseases affect you locally, nationally and globally?
Globally - non communicable disease more common in developed countries as people in developed countries generally earn more and can buy food higher in fat.
Nationally - Cardiovascular disease, obesity and type 2 diseases are more common in poorer areas, as people are more likely to smoke and have poor diet and not exercise there.
Locally - individual choices affect how common a disease is locally.
What risk factors directly cause disease?
Smoking - lung cancers, disease and cardiovascular disease.
Obesity - Type 2 diabetes - causes less resistance to insulin.
Alcoholism - Damage brain and liver.
Smoking and Alcoholism when pregnant - affect unborn baby.
UV exposure or radiation - cancer.
How do non communicable disease affect people financially?
Causes shorter lifespan or quality of life.
Financial cost of researching and treating disease.
People having to move or adapt to home, or leaving work.
Reduction in people working affect countries economy.
What can cause tumours?
(Cells)
changes in cells can lead to uncontrolled growth and division.
What are benign tumors?
Masses of abnormal cells.
Stay in one place.
Don’t invade other parts of body.
Isn’t normally dangerous, and isn’t cancerous.
What are malignant tumours?
Can spread to other parts of body.
Cell can break off into bloodstream.
Cells get into healthy tissues and form secondary tumours.
Dangerous and can be fatal - cancerous.
What four things can cause cancer?
Smoking
Obesity
Viral infection
UV Exposure.
Can genetic factors cause cancer?
Yes, due to inheriting faulty genes.