熬夜與癌症

似乎有相關性，而且高到可以列為危險因子

Prospective Cohort Study of the Risk of Prostate Cancer among Rotating-Shift Workers: Findings from the Japan Collaborative Cohort Study
American Journal of Epidemiology Volume 164, Number 6 Pp. 549-555


Rotating Night Shifts and Risk of Breast Cancer in Women Participating in the Nurses' Health Study
JNCI J Natl Cancer Inst Volume 93, Number 20 Pp. 1563-1568

Night Shift Work, Light at Night, and Risk of Breast Cancer
JNCI J Natl Cancer Inst Volume 93, Number 20 Pp. 1557-1562