Prostate cancer risk decreases following cessation of night shift work

Night shift work has been associated with breast and prostate cancer. A recent large pooled analysis on breast cancer that examined also time-related variables showed that risk in premenopausal women was highest in those with current or recent (2 years) night shift work, decreased in women who had left night shift work 2–20 years earlier, and was lowest at 20 years or more since last night shift work.1 A similar pattern was observed in a large...