From CreationWiki, the encyclopedia of creation science
Phototherapy is the practice of high energy lights being used to decrease serum bilirubin levels in a persons blood. This is used on newborns because of the amount of energy needed to cure a small amount of bilirubin. This is the most effective way to treat jaundice in newborns. 
- Sawyer, Taylor Phototherapy for Jaundice Medscape Updated Dec 06, 2015.