00:00If three women enter into the sea, a requin can know who has its rules.
00:05But it does not mean that it will be her, her, her cible.
00:09The requins have an odorant extraordinary and can see a pro at hundreds of meters.
00:14So yes, they can feel the blood menstrual,
00:18like the urine or other corporates in the water.
00:21But it does not make it more aggressive.
00:23At the moment, nothing indicates that the fact of having these rules
00:27increases the risk of the requins.
00:29Same thing for the ours.
00:31This myth has really exploded in 1967.
00:35This year, two women dormaient in the National Park of Glaciers
00:39when the grizzlies were suddenly attacked them.
00:42Some have said that it was because one of them had its rules.
00:45Later, they started to distribute the brochures
00:48avertising the regulates of staying away from the areas where the ours lives.
00:53But a study of 1991 showed that this idea did not.
00:57Not to me, the ours has no interest in the smell for the menstrual odor.
01:02Good news, girls!
01:04But avoid the ours, in case of!
01:07And continue to take the bath!
01:09Yes!
01:10All right!
01:10You want to know why?
01:11There are so many myths on the baths and the rules,
01:14transmis from generation to generation.
01:17L'un says that the air chaud rend the saignements more abundant.
01:20But this is not true.
01:21Another affirming that being in the air can stop the rules.
01:24Well, that's a bit true.
01:26But it doesn't stop the cycle.
01:28What happens is that the flux ralentis a little bit because of the pressure of the air.
01:34But the rules continue still.
01:36They just don't leave the body so fast.
01:38So the air chauds are without danger.
01:42But the myth the most delirant on the rules, and the air,
01:46comes from the Rome antique.
01:47Pline, the ancien, wrote in Histoire Naturelle
01:50that the women reglées could control the tempest.
01:54They really believed that they had the power to eliminate the grêle,
01:57the tourbillons and the foudre.
02:00All that they had to do,
02:02it was to remove their clothes.
02:04And that's not all.
02:05He affirmed also that the sang menstruel
02:07had a dangerous power, almost magic.
02:10According to him,
02:12women could even get rid of the fields
02:14like the chenilles,
02:15the verts,
02:16the scarabées and other insects.
02:18And the method?
02:20Exactly.
02:21Enlever their clothes again once.
02:23Ah,
02:23and make some turns in the fields.
02:25In the Middle Ages,
02:27some myths were even more fous.
02:29We said that the sang menstruel was toxic or impur,
02:33but we also thought that it was simply
02:34the sang in trop.
02:36We thought that the women didn't burn it
02:38because they didn't move too much.
02:40So the body had to get rid of each month
02:43of this sang restant.
02:44And if the rules were left,
02:46we thought that the sang was still in the inside.
02:50Their solution was therefore
02:51to saign directly the women's veins.
02:54Well…
02:54And in aging,
02:56things became even more bizarre.
02:58We thought that women,
03:00close to the ménopause,
03:01had accumulated a whole life
03:03of the sang in trop.
03:04And because of that,
03:05they could release in the air
03:07the toxic vapeurs
03:07by the eyes and the nose.
03:10These ideas are absurd today.
03:12But we still believe
03:13in the mythes
03:14that the rules
03:15trouble the pensée.
03:16They make the women
03:17distraies,
03:18lentes
03:19and less aptes
03:20to function normal.
03:21We call it
03:22the period brain.
03:23But it's not really real.
03:25A study
03:26of 2017
03:26found no proof
03:28that the menstrual cycle
03:29reduces the cognitive performance.
03:31Then, in 2025,
03:34a new research
03:34followed almost 4000 women
03:36and asked them
03:37to effect the same
03:38series of tasks
03:39at different times
03:40of the cycle.
03:41The scientists
03:42tested the attention,
03:43the creativity,
03:45the intelligence
03:45and the motricity
03:47without finding
03:48any real difference.
03:49The participants
03:50obtained almost
03:51the same results
03:52before,
03:53during
03:53and after
03:54their rules.
03:56You have surely
03:57already heard
03:57that the rules
03:58of the best friends
03:59synchronize.
04:00The idea is so popular
04:02that it has even
04:03a name.
04:03The Synchrony Menstruel.
04:05But is it really real?
04:07This idea
04:08comes from a small study
04:09from 1970.
04:11The researchers
04:12have followed
04:13a group of students
04:14living together
04:15in a university
04:16and have suggested
04:17that their cycle
04:18would end up
04:19to be aligned.
04:20But the next study
04:21did not have
04:22confirmed
04:22or explained
04:24how it could work.
04:26Because there is
04:27no biological mechanism
04:29that would make
04:30that a cycle
04:31to train another.
04:32The women
04:33may have the impression
04:34that their rules
04:35are synchronized
04:35for a very simple reason.
04:37They know
04:38and better
04:38when their friends
04:40have their rules.
04:41So,
04:42when the dates
04:42fall at the same time,
04:44they notice it all
04:45immediately.
04:45It gives an impression
04:47of synchronization
04:48so that it's just
04:49a coincidence.
04:51Another idea
04:51reçue tenace,
04:52we can't get
04:53married
04:54during these rules.
04:55The chances
04:56are weak, yes,
04:57but they
04:58are not nulles.
04:59The reproductive cells
05:01can stay
05:02in the body
05:03of a woman
05:04until 72 hours.
05:05So,
05:06if the cycle
05:07is short,
05:07a ovule
05:08can be liberated
05:09after the end
05:10of the rules.
05:11And if these cells
05:12are still there
05:13at this moment,
05:14a grossest
05:14could happen.
05:18In the antiquity,
05:19there are also
05:20about the type
05:21of baby
05:21who would have
05:22in this case.
05:24In France,
05:25a old croyance
05:26said
05:27that a child
05:27had to be
05:29weak
05:30since the beginning,
05:31without energy,
05:32fragile
05:32and more exposed
05:34to health problems.
05:36Like
05:36if he was
05:37condemned
05:37from the beginning.
05:38It's a
05:38glass
05:39and not scientific
05:40at all.
05:43Now,
05:44let's
05:44France
05:44for the
05:45Detroit
05:45of Tores.
05:47The old legend
05:47said that the women
05:48who had their rules
05:49had a special power.
05:51They could
05:52destroy the force
05:52of men.
05:53The men
05:54were therefore
05:54supposed to keep
05:55their distance.
05:56Because they
05:57were too close,
05:59they could
05:59lose their
06:03virility.
06:04In Nouvelle-Guinée,
06:06the people
06:06Maé-Henga
06:07allait encore plus loin.
06:08On disait
06:09que si un homme
06:10touchait une femme
06:10pendant ses règles,
06:11il pouvait perdre la vie.
06:13Si ça vous semblait
06:14déjà inquiétant,
06:15attendez un peu.
06:16Dans certaines cultures,
06:18les femmes enterrent
06:19les linges
06:19menstruels usagés
06:20pour que les mauvais esprits
06:21ne puissent pas s'en servir.
06:23Dans d'autres,
06:24on dit qu'il faut
06:24laver ses serviettes
06:25avant de les jeter.
06:27Sinon,
06:27disent-ils,
06:28des fantômes
06:29viendront vous hanter ?
06:33Maintenant,
06:34parlons du mythe
06:35sur l'odeur.
06:36Beaucoup de femmes
06:37remarquent que l'odeur intime
06:38peut un peu changer
06:39au cours du cycle.
06:40Et cette partie-là
06:41est vraie.
06:41Le sang menstruel
06:43a bien une odeur.
06:44Pendant les règles,
06:45le corps évacue
06:46la muqueuse de l'utérus
06:47avec du sang
06:47et des tissus.
06:48Il est donc tout à fait
06:49normal que l'odeur
06:50soit un peu différente.
06:51Mais la plupart des gens
06:52ne la remarqueront même pas.
06:54En ligne,
06:55on voit parfois parler
06:56d'une odeur pourrie
06:57ou de poisson.
06:58Mais là,
06:59ce n'est sans doute pas
07:00juste la menstruation.
07:02Une odeur pourrie
07:03peut apparaître
07:04si un tampon
07:04reste trop longtemps.
07:06Et une odeur de poisson
07:07peut signaler
07:08un problème de santé.
07:09Donc,
07:10si ça arrive,
07:11mieux vaut consulter
07:12un médecin.
07:13Certaines cultures
07:14interdisent aux femmes
07:14qui ont leurs règles
07:15d'entrer dans la cuisine
07:16ou de cuisiner
07:17pour les autres,
07:18comme si elles pouvaient
07:19gâcher la nourriture
07:20rien qu'en la touchant.
07:21On dit que le pain
07:22ne lèvera pas,
07:23que les conserves
07:24tourneront mal
07:25et, mon préféré,
07:26que si elles touchent
07:28des légumes
07:28avant qu'on les mette
07:29en bocal,
07:30ils ne deviendront
07:31jamais des cornichons.
07:32En gros,
07:33le sang menstruel
07:34transformerait les femmes
07:35en pire cuisinière
07:36de la planète.
07:37C'est tellement étrange
07:38qu'on pourrait croire
07:39à un vieux mythe,
07:40mais pas vraiment.
07:42Une étude de 2011
07:43a montré que beaucoup
07:44de femmes en Inde
07:45croient encore
07:46que le corps dégage
07:47une certaine odeur
07:48ou même une sorte
07:49de rayon
07:49pendant les règles
07:50et que cela peut gâcher
07:51la nourriture.
07:52Mais non,
07:54ce n'est pas vrai du tout.
07:56On dit aussi souvent
07:57aux femmes
07:57de ne pas toucher les plantes
07:59pendant leurs règles
07:59et parfois,
08:01on leur interdit même
08:02de les arroser.
08:02L'idée,
08:04c'est que les règles
08:04seraient impures
08:05et que si une femme
08:06s'approche d'une plante,
08:08elle se dessèchera.
08:09Mais voici le côté positif.
08:11Certaines cultures
08:12croyaient l'inverse.
08:13Elles pensaient
08:14qu'une femme réglée
08:15avait un pouvoir régénérant
08:17et que si elle touchait
08:18une plante,
08:19elle fleurirait
08:20et pousserait encore mieux.
08:21Quoi qu'il en soit,
08:23soyons sérieux.
08:24Les plantes
08:24se moquent probablement
08:25de la personne
08:26qui les arrose.
08:27Les hommes
08:28ne vont pas s'effondrer
08:29si une femme
08:29qui a ses règles
08:30les touche.
08:32Pas des serviettes sales.
08:34Ou du moins,
08:34espérons-le.
08:35Au bout du compte,
08:36le sang menstruel
08:37n'est que du sang menstruel.
08:39Ni mystique,
08:40ni sale.
08:41C'est juste de la biologie.
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