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The bright light of a full moon or supermoon may seem inviting to motorcyclist eager for a nighttime drive , but that moonlit trip may also come with deadly consequences , a unexampled survey see .
According to data on nighttime bike crashes in the United States from 1975 to 2014 , motorcyclists were more potential to die in crash on nights with full moons . Riders were even more likely to pop off on nights with supermoons than they were in the workweek before and after the celestial consequence , researchers found .
" Our report advise that additional attention is necessitate when riding a motorcycle under a full moon , " state lead field author Dr. Donald Redelmeier , a professor of medicine at the University of Toronto , in Canada . [ Hyperloop , Jetpacks & More : 9 Futuristic Transit Ideas ]
The study was published online today ( Dec. 11 ) in the Christmas offspring of the journalThe BMJ . The holiday egress is a clapper - in - face edition of the medical journal , which normally publishes serious research .
about 5,000 people in the United States die in motorcycle crashes every year . That entail that for every seven road traffic deaths , one is bike interrelate , Redelmeier said . " The average drive on a motorcycle is more grievous than a drunk driver with no seatbelt traveling the same distance , " Redelmeier told Live Science .
However , it ’s difficult to measure out distraction that lead to fatal motorcycle fortuity . Even motorcyclist who survive accidents usually do n’t remember what happened immediately extend up the chance event , Redelmeier said .
But full moons andsupermoonsare measureable variables that could cark motorcyclists ; they ’re prominent and bright , especially supermoons , which can be up to 30 pct bright than regular full moons .
To investigate , the scientist comb through data from the U.S. National Highway Traffic Safety Administration and found all of the motorcycle fatalities fall out from 4 p.m. to 8 a.m. local time over a full point of 40 years . This data point set included 494 full moons and 65 supermoons .
As a ascendance , the research worker compare motorcycle fatalities on full - moon and supermoon nights to those on the nights one week before and one weekafter each full lunation , Redelmeier said .
Over the moon
In all , about 13,000 masses died in motorcycle crash during the 494 full Sun Myung Moon nights and 988 control night . On median , these motorcyclists tended to be about 32 years old , male , riding in a rural area , not wearing a helmet and involved in a head - on frontal hit .
Calculations show that 9.1 motorcyclist died on nights with full moons , equate with 8.6 motorcyclists who buy the farm on nights without full moons . This 5 percent growth amounted to 226 additional fatal crashes on full moon nights over the study flow , suggest that for every two full - moon night , there was oneadditional fatal stroke , the researchers found .
The relative risk was even capital for supermoon nights . A total of 703 fatal crashes bump on these Nox , amounting to 10.8 bike fatalities per dark , or two extra deaths on supermoon nights equate to command nights . This is about a 22 percent increased relative risk compared to control dark .
The researchers also studied motorcycle smash data in the United Kingdom , Australia and Canada , finding similar course in those position .
However , because the discipline is data-based , it has several limitations . The investigator did n’t check the atmospheric condition , the price of gasoline , or whether it was the motorcyclist or another driver who was at mistake for the fortuity , according to the survey . Moreover , the study does n’t show reason and effect , but rather that full moons are relate with increase motorcycle fatalities , Redelmeier pronounce . [ picture : The Robotic Evolution of Self - Driving Cars ]
Even so , the inquiry send an significant message that distraction , even seemingly benign I such as a full or supermoon , can be deadly for motorcyclist , the investigator said . motorcyclist can take a few step to ride out safer , the subject field say .
" Additional strategies while riding might let in wearing a helmet , activating headlights , scanning the route surface for defects , observe the weather , being wary of left - turning vehicle , obey traffic natural law and forgoing stunt , " Redelmeier and work co - author , Eldar Shafir , a professor of behavioral science and public policy at Princeton University , wrote in the study .
Original clause onLive Science .
