Childhood cancer is rare, but it is still a leading health threat to children and adolescents — surpassed only by accidents. However, babies who are breastfed may be at a lower risk for developing one type of blood cancer in childhood.

Children vaccinated against hepatitis B might be at a lower risk of developing leukemia, according to a new study.

Researchers have found that screening newborns for severe combined immunodeficiency (SCID) substantially improves their survival.