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Body Invaders: Brain Attacks

Related Article: Learn more about strokes.

Strokes are now commonly called brain attacks. Learn about the world's third leading killer in this video from Discovery Health.

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Life in a Drop of Water: Bacteria (0:38)

Bacteria are small but grow in great numbers. Other microorganisms feed on bacteria.

Life in a Drop of Water: Rotifer (0:40)

Rotifers are multicellular animals with rapidly beating hearts and cilia to draw in food. They usually stay anchored in one area, but can use food to move from place to place.

Katie's Secret: Facts About Child Sexual Abuse (0:38)

In this segment, a narrator provides statistics on the age and frequency of sexual abuse, encouraging victims always to tell someone.

Katie's Secret: Katie Tells Her Mother (1:19)

Katie, accompanied by several trustworthy adults, tells her mother about the problem at home in this segment.

Katie's Secret: Katie Joins a Support Group (5:08)

In this segment, a group of kids who have been sexually abused share stories. Katie finally shares her story.

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Buggin' With Rudd: Dehydration (1:38)

Host Ruud Kleinpaste explains why water is more important than food when battling dehydration. Learn more about dehydration on Animal Planet's "Buggin' with Ruud".

Exploring Time: Arrhythmia Test (2:45)

Arrhythmias are the most common cause of death in the United States. Learn more about how doctors are studying arrhythmia on the Science Channel's "Exploring Time."

History in the Making: Cholesterol (0:30)

Click here to learn more about the 1984 coronary primary prevention trial and its effect on our understanding of cholesterol.

Heroes of Science: Jonas Salk (4:23)

After years of intense research, Jonas Salk developed a vaccine against polio, a disease that had threatened the lives of children for years.

Overcoming Eating Disorders: How Families are Affected (4:52)

Learn about how eating disorders affect families.

Overcoming Eating Disorders: Leaving the Hospital (3:16)

Follow Bridget as she leaves the hospital and continues to recover from her eating disorder.

Overcoming Eating Disorders: How Bridget Sees Herself (2:03)

In a group session, Bridget is asked to visualize her body and pick out all the things she likes and dislikes about herself. Bridget's distorted self-image prevents her from seeing anything but flaws.

Overcoming Eating Disorders: Confronting a Fear of Food (3:20)

Bridget is struggling with her anorexia and depression at South Coast Medical Center, an institution that specializes in eating disorders. She suffers from Bipolar Disorder and obsesses about her weight, despite the support she gets at the hospital.

Overcoming Eating Disorders: Bridget's Early Battles (4:41)

Bridget Roath shares her early life experiences with anorexia. She talks about her fear of food and how close she came to dying from her disorder.

Overcoming Eating Disorders: Brad's High School Reunion (6:23)

Afraid no one is going to notice the change, Brad is tense before his high school reunion. But his old classmates notice the physical changes, as well as the character development, in Brad.