Healthy Living: Zebrafish to the Rescue

Lymphatic systems help clear the body of extra fluids and infection.

But when they don’t work properly, deadly excess fluid is retained in the body.

That was the case with a young boy whose family sought help at Children’s Hospital of Philadelphia.

In Heathy Living, Courtney Hunter shows us how testing various medications using tiny fish helped doctors miraculously save his life.

Scientists have long used lab rodents or other mammals to help understand human diseases.

But 70% of human genes are also found in the zebrafish, making them a good animal for the study.