diseases & conditions video of the day

Human Atlas: Appendicitis

The appendix is a vestigial organ that is no longer used in digestion. However it can become inflamed and cause great pain. Learn more about appendicitis in this video.


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What are the Odds? Heart Attack

What are the Odds? Heart Attack (2:50)

What are the odds you will die of a heart attack? Learn more about heart attacks and heart disease in this video.

Fires of the Mind: Bipolar Causes

Fires of the Mind: Bipolar Causes (6:15)

Have you ever wondered what causes bipolar disorder? The answer may be found through an MRI. Learn more about bipolar disorder in this video.

Surgery Saved My Life: Epileptic Condition

Surgery Saved My Life: Epileptic Condition (0:40)

See what epilepsy looks like in a human body in this Discovery Health video.

Fires of the Mind: Manic Depression

Fires of the Mind: Manic Depression (6:15)

Have you ever wondered what causes bipolar disease? The answer may be found through an MRI.

Fires of the Mind: Teen Depression in Girls

Fires of the Mind: Teen Depression in Girls (0:55)

Girls are particularly vulnerable to depression during their teen years, but there are many preventative measures that concerned parents may take.

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Depression: Suicide Prevention Hotlines

Depression: Suicide Prevention Hotlines (3:34)

People who are depressed should make sure to ask for help when they need it. Suicide hotlines are a resource for people who are depressed to call and get help.

Depression: The Brain and Depression

Depression: The Brain and Depression (1:59)

Scientists try to detect depression in the body using medical imaging to view activity in the brain. An MRI scan lets scientists see the brain and the chemicals in the brain.

Depression: Manic Depression

Depression: Manic Depression (2:36)

Manic depression begins with one feeling unusually well, including extra energy, creativity, and enthusiasm. The person cycles through phases of mania followed by a crash and massive depression.

Depression: Teen Depression

Depression: Teen Depression (5:31)

Depression can, and often does, occur in young people.

Depression: Medicating Depression

Depression: Medicating Depression (3:58)

Some forms of depression can be treated with medication.

Depression: Understanding Depression

Depression: Understanding Depression (4:49)

Depression is not just a mood swing. This chapter helps the viewer understand the nature of depression.

The Body's Defense Against Disease: A Review

The Body's Defense Against Disease: A Review (1:50)

This clip presents a review of natural and external defenses against disease.

The Body's Defense Against Disease: Infectious Diseases

The Body's Defense Against Disease: Infectious Diseases (2:04)

Some diseases may be spread from one person to another through close contact or the air. Unlike today, when we take precautions to prevent the spread of diseases, people in the 1800s did not know about germs that cause diseases.

The Body's Defense Against Disease: Viruses

The Body's Defense Against Disease: Viruses (1:04)

Viruses are much smaller than bacteria and invade and destroy healthy cells in the body. Viruses are not made up of cells and cannot reproduce on their own.

The Body's Defense Against Disease: The Enemy Within

The Body's Defense Against Disease: The Enemy Within (3:09)

Bacteria are tiny, one-celled organisms that reproduce rapidly and can be found everywhere. Bacteria that are harmful to people are called pathogens and release toxins in the body.