Neurologists: Daylight Savings Time Is Unhealthy, End It

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It doesn't save energy, and it seems to put health at risk. Now, efforts to stop the twice-yearly time shifts ramp up...

Newsweek - November 4, 2019

"Further, the neurologists' professional opinion may be good news for Americans, most of whom, according to a recent poll, oppose the yearly hour-switching that daylight saving time necessitates."

Daylight saving time (DST) officially ended in the United States at 2 a.m. on November 3, but three neurologists at Vanderbilt University say that the practice should be totally done away with permanently.

Drs. Beth A. Malow, Olivia J. Veatch and Kanika Bagai collaborated on a piece published in JAMA Neurology on Monday that brought evidence of the detrimental effects of DST on the brain, citing specifically the negative impact it may have on circadian rhythms, the internal clock that regulates the body's sleep-wake cycle.

They wrote that the transition to and from daylight saving time has been associated with several health complications, including an increased risk of stroke.

"The rate of ischemic stroke was significantly higher during the first 2 days after DST transition, with women, older age, and malignancy showing increased susceptibility," the piece read.

Studies have also indicated that the transition negatively affects sleep patterns, especially among adolescents, causing them "an average of 15 to 20 fewer minutes of sleep." The authors pointed to data indicating that teenagers averaged about 7 hours and 30 minutes of sleep per night after the transition. This, they said, was not in-line with efforts to help them get enough sleep. ...
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