Word: shifts
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Dates: during 1990-1999
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...increased risk appears to be the result of greater pressure on the body caused by the inconsistent sleeping patterns of rotating shift workers, said Dr. Ichiro Kawachi, assistant professor at the School of Public Health...
...Shift work is a kind of stress," Kawachi said. "It disrupts the body's circadian rhythms. You lose sleep. The body responds by pumping out hormones like adrenaline and cortisone...
...Shift work may also cause disorders such as insomnia and ulcers, according to Dr. Gary S. Richardson, director of the sleep disorders service at Brigham and Women's Hospital...
Jayne also noted that Dr. Charles A. Czeisler '74, director of the lab, has found that shift workers suffer more from rapid rotations, as opposed to fixed shifts or shifts that rotate every few weeks. Jayne jokes, however, that in the interest of science "[Czeisler] doesn't practice what he preaches. For easier adjusting, the schedule always rotates up--for example, the shifts could run day, day, evening evening, night, followed by one of two days...
Huynh, who as a technician had less input into the research process, says, "It was interesting at first but after a while everything got very repetitive and menial...I usually had the night shift so I didn't really see anyone."CrimsonMary W. Lu Technicians monitor the subjects in the studies from a high-tech control room...