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Despite campfire fears dating back to at least 1967 , black bears and grey-haired bears are not attracted to the odors of menstruation , according to a late Yellowstone National Park report .
icy bears may be concerned in the smelling of catamenial blood , the report retrieve , but bears that roam in North America are not . solid food is a much more of import temptation for bear , according to the finding .
The musical theme that bear might preferentially attackmenstruating womenis not raw . In 1967 , a night of infamousgrizzly bear attacksin Glacier National Park in Montana left two woman dead . One woman was have got her period of time , and the other was expect tampons .
The attacks head to guess that thewomen ’s catamenial odorsmight have " trigger off " the attacks . The Park Service and other agencies even began discourage women that bears might be attracted to the tone of catamenial blood , despite no scientific evidence to back up those word of advice .
Since 1992 , the Forest Services ' Interagency Grizzly Bear Committee has tried to expose this myth , but it has been unmanageable to dislodge . The unexampled Yellowstone reputation , released in February , get out on a series of former studies to set the record straight . [ 7 Medical Myths Even doc Believe ]
In one of these studies , conducted in 1991 , explore bring out black bears , the most common kind of bear in the United States , to used tampon and to four flow womanhood . They found no interest among any of the bear to the scent . Nor have researchers found any examples of black bears attack menstruating womanhood .
Nor are grizzly bears concerned inwomen experience their period . A 1985 analysis of hundreds of grizzly bear attacks on world found no evidence linking any of the attacks to menstruation — including the infamous " Night of the Grizzlies " attacks in Glacier . The two bear involve in those attacks were what biologist called " nutrient conditioned , " harmonise to " Backcountry Bear Basics : The Definitive Guide to avert Unpleasant Encounters " ( Mountaineers Books , 2006 ) by Dave Smith . These bears were used to eating garbage and had begun to associate world with food .
The one exception to bear ' disinterest in menstrual blood was the polar bear , the Yellowstone story get hold . A 1983 survey happen that four captivepolar bearsexposed to a serial of odor responded powerfully only to seal off smells and used tampons .
But as Smith show out in his leger , the tests were limited to four bears and only 12 encounters with live , menstruating womanhood . The bears were also much less concerned in menstrual parentage than any form of food scent , wipe out used tampons one-half of the clip they smelled them compared with 100 percent of the time for seafood and 92 percent of the time for seal oil . Even alcoholic drink was more palatable to the frigid bear than used tampons . They guzzle down beer 66 pct of the time . ( They also ate unused tampon 13 percent of the time . )
At Yellowstone Park , the report concludes , there is no grounds of a link between bear flak and period . Nevertheless , the Park Service recommend using tampon or else of extraneous pads and unscented catamenial products to keep potentially appealing odors down .
