Yo soy uno entre cien mil

Childhood leukemia, which accounts for 30% of childhood cancer, affects the lives of three in every 100,000 children. Of those affected, 20% do not survive, and these statistics have remained unchanged for over 20 years. But there's a way we can improve this outcome: through research.

• Penélope CruzDirector

• Penélope CruzPenélope Cruz