World health organization

10 facts on children's environmental health

A girl lies on a bed
WHO/Chris de Bode

Environmental factors play a role in childhood cancers

While much about the origin of childhood cancers remains unknown, environmental agents such as radiation, tobacco and second-hand smoke, aflatoxins, ultraviolet light, and some pesticides play a role. Globally, 19% of all cancers are attributed to the environmental factors, resulting in 1.3 million deaths each year.

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