Male sleep habits may increase risk of cancer
Men who have worked night shifts for more than 20 years, or who work night shifts without daytime napping, or sleep for more than ten hours per night on average may have an increased risk of cancer, according to a study published in Annals of Medicine .The study, led by scientists based at the Huazhong University of Science and Technology, Wuhan, China, reviewed data obtained via interviews with middle-aged and older Chinese in the Dongfeng-Tongji Cohort Study, a cohort of approximately 27,000 retired workers from the