Infectious and Noninfectious Diseases

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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


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