While science and medicine have a long way to go toward finding causes of many cancers, including breast, a longstanding belief among the general population is that stress is a factor. Yet, the link between stress and cancer is still tenuous. A new European study fails to support that work stress is a cause.
Katriina Heikkilä, Solja T Nyberg, Töres Theorell, Eleonor I Fransson, Lars Alfredsson, et al. Work stress and risk of cancer: meta-analysis of 5700 incident cancer events in 116000 European men and women. BMJ 2013; 346:f165. 2-7-13