Sibship size, birth order and risk of nasopharyngeal carcinoma and infectious mononucleosis: a nationwide study in Sweden

Conclusions Early-life social environment, possibly related to EBV infection, contributes to NPC pathogenesis in non-endemic areas. This hypothesis is further supported by the clearly contrasting findings between NPC and IM.

Source: International Journal of Epidemiology - August 30, 2016 Category: Epidemiology Authors: Liu, Z., Fang, F., Chang, E. T., Adami, H.-O., Ye, W. Tags: Pregnancy, Birth Order, Sibship Size and Cancer Source Type: research