Family Fights Cancer and Deportation; Child Paralyzed by Tick; Ask the Vet

You might want to treat your dog like a member of the family, but should you serve your pet home-cooked food? Veterinarian Dr. Karen Halligan explains what kind of food offers the best nutrition for your dog.

When Collin woke up one morning and couldn't sit up and had trouble walking, his parents took him to the emergency room. He had hit his head the night before, but tests revealed he didn't have a brain injury. Find out how doctors made a diagnosis.

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A boy in the United States for treatment of leukemia and graft-versus-host disease faces a setback in his recovery weeks before his family's visa is set to expire, and they could face deportation.