Infectious and Noninfectious Diseases
skin, hair, mucus, saliva, stomach acid
This are physical barriers of our immune system
benign
A non cancerous tumor
antibiotic
A drug that can kill bacteria.
tumor
A mass of abnormal cells
malignant
A cancerous tumor
risk factor
A characteristic or behavior that raises a person's chances of getting a noninfectious disease
infectious disease
A disease caused by an agent that can pass from one living thing to another.
hereditary disease
A disease caused by defective genes inherited by a child from one or both parents
autoimmune disease
A disease in which a person's immune system attacks certain cells, tissues, or organs of the body
cancer
A disease in which cells grow uncontrollably and invade and destroy healthy tissues
contagious disease
A disease that can be passed directly from one person to another person.
epidemic
A widespread occurrence of a disease
strep throat
An infection caused by a bacterium streptococcus
allergy
An overreaction of the immune system to something in the environment
disease
Any harmful change in the state of health of your body or mind
tuberculosis
Bacterial infection spread by coughing; 3 million people a year die from this disease
noninfectious disease
Diseases not caused by a virus or living organism
virus
Germs that are very small and need a host to survive
immune system
Made up of organs and special cells to fight infection
immunity
One you have a certain disease, such as chicken pox, you rarely get them again
obesity
Related to type II diabetes, heart disease and high blood pressure
bacteria
Small, single celled organisms that can be killed with antibiotics
smoking diet, exercise, drug
These are risk factors you can control
person to person; animal to person; insect to person; indirectly from food and water
These are ways infections can spread
biopsy, surgery, chemotherapy, radiation
Ways to treat cancer