Can Chronic Jet Lag Kill? If the answer to that question is “yes” then I know a few people who are close to kicking the bucket. In all seriousness, recent tests on mice suggest that chronic jet lag and other behavior involving sharp light-cycle changes, like rotating shift work, could shorten a person’s lifetime. The study done by University of Virginia scientists found that disrupting the circadian rhythms (the 24-hour physiological cycle of humans and many animals) for test mice increased the mortality of especially older mice. During the course of the study the scientists adjusted the light-cycle of the … Continue reading →