Scientists at St. Jude Research Hospital using genes to seek answers

Kai Haug was diagnosed with a brain tumor at the age of two and went through treatment at St. Jude Children's Research Hospital before he passed away in 2007. (Courtesy: Haug family)

St. Jude is working to save the lives of children each day.

On Tuesday, scientists at St. Jude took a look at family genes to better understand what causes childhood cancer.

Check out the video above.

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