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Lowered melatonin secretion was an implied factor in the 35 percent increase in colon cancer among night shift nurses, compared with their daytime counterparts. A couple of altered lifestyle factors may contribute, as well: The night shift is often occasion for a sedentary work style, and decreased alertness might even affect daytime activity. Also, there […]
- Earth
Second cancer type linked to shift work
Women who have worked at least a few nights a month for many years appear to face a somewhat increased risk of colorectal cancer.
- Anthropology
The Ultimate Colonists
Human ancestors managed to adjust to life in a variety of ecosystems during the Stone Age, indicating that their social lives were more complex than they've often been given credit for.
