Shift work and cancer research: a thought experiment into a potential chronobiological fallacy of past and perspectives for future epidemiological studies.
: With their 2007 classification - shift work involving "circadian disruption" is probably carcinogenic to humans (Group 2A) - the International Agency for Research on Cancer [IARC] provided a riddle for scientists and the public alike. Thereafter, eighteen epidemiological investigations into shift work and a host of malignant endpoints.....