Nzira Iyo Ubongo Hunobata Nhamo
Kurapa kurwadziwa kusingaperi hakusi nyore, uye kunogona kuvhiringidza kune vose varwere uye vanachiremba. Marwadzo akaoma kuyera nekuvimbika, kumanikidzira vanachiremba kuvimba nemashoko ekurapa, uye pane kukanganisa hukama huduku pakati pehutachiona hwehutachiona uye kukanganisa kwemaviri chaiwo. Vamwe vanhu vanofunga kunge pasina marwadzo asi musana wavo unotarisa zvinotyisa pa X-rays, uye vamwe vanotambura nemarwadzo anorwadza shure asi X-ray yavo inoratidzika zvakanaka.
Kunyange zvakadaro, kubatsira vanhu kurwadziwa kwagara kuri chinhu chikuru kuna vanachiremba. Nokuda kwechikonzero ichi, kurwadziwa muhurongwa hwemitsipa hwakanyatsodzidza. Tinoziva zvishoma nezvemaviri ekurwadza kwezviratidzo zvinofamba mumuviri, uye kuti muviri wedu unowanzoedza sei kudzora izvo zviratidzo.
Zviratidzo Zvinorwadza Muviri
Muviri une dzimwe mitsipa, inonzi nociceptors , iyo inotumira zviratidzo zvinorwadza kumutsipa wespereta. Kune mitsetse yakasiyana yemhando dzakasiyana-siyana dzemarwadzo-somuenzaniso, rumwe rudzi runotumira ruzivo pamusoro pemarwadzo akaoma, uye imwe nezvekupisa. Uturu hwepuru hunopinda mutambo wepelinha, kwaanoenda kumusoro kana kuti pasi pasi uye synapse nedzimwe masero mune runyanga rwakapera. Kubva ipapo vanoyambukira kune rumwe rutivi rwetambo uye vanomhanya pamutsetse wepinothalamic kune thalamus.
Iyo thalamus zvino inotumira mashoko anorwadza kune cerebral cortex. Kune nzvimbo dzakawanda dzekortical dzinobatanidza nehuturo hwehumwe hwehutu hwehutu hwehurombo, kusanganisira anterior cingulate cortex, cortex somatosensory, uye insula.
Nokuti kune nzvimbo dzakawanda dzekortical dzinosangana nemarwadzo, kukanganisa kwekorati hazviwanzoiti kupedza marwadzo kunze kwekuti chironda chacho chikuru.
Natural Pain Control
Imwe yenzira dzakanakisisa dzinozivikanwa yekudzivirira marwadzo ndeyekurwadziwa kwemishonga yakadai seopiates. Muma1970, nyanzvi dzesayenzi dzakaona kuti muviri wedu unobereka maopiates ayo, anonzi mapupiyo anogumira.
Izvi zvinobvumira muviri wedu kuti tive nehuwandu hwekutonga pamusoro pehuwandu hwekutambudzika kwatinonzwa. Uropi hunogona kutumira zviratidzo pasi pemutsipa wepelinha kuti udzivirire zviratidzo zvinorwadza zvichifamba kumusoro.
Muenzaniso wakasimba wekuti uropi hunodzora sei marwadzo unogona kuratidzwa ne placebo, chinhu chinonzi inert se sugar sugar icho chine nzira inobatsira mishonga inobatsira. Semuenzaniso, mune chidzidzo chakaitwa nevanhu vane meno avo ehuchenjeri akanga achangobva kubviswa, nzvimbo dzebasa dzakakwanisa kupa dambudziko rekurwadziwa. Kana akapiwa naroxone, mushonga unovhara zvose endogenous and exogenous opiates, placebos inogona kurasikirwa nekubudirira kwayo. Kushanda kweMRI zvidzidzo zvevanhu vanopiwa nzvimbo dzekugara vanowana shanduko mu hypothalamus, periaqueductal grey, uye medulla, vachitsigira dzidziso yokuti zvivako izvi zvinosanganiswa nekugadzirisa kurapa kurwadziwa.
Kuwedzera kutsvakurudza kwakaratidza kuti kurwadziwa mumutsipa wepelinha kunosanganisira marudzi maviri akasiyana emasero, mamwe acho anoshandiswa nemarwadzo uye mamwe anovhara. Maorivhi anotendeuka "kubva" masero, uye kurwadziwa kunoita kuti "pa" masero. Izvi zvinobvumira uropi kugadzirisa ruzivo rwedu rwekutambudzika kunyange pahutano hwemutsipa wepelinha.
Nzira Iyo Bongo Rinodzora Njodzi
Chinangwa chekutambudzika ndechekutikurudzira kuti tirege kukuvara uye kutibatsira kudzidza kudzivisa mamiriro ezvinhu angangokuvadza munguva yemberi.
Semuenzaniso, kana makonzo ane ruzivo rwakaipisisa muimba, ivo vanowanzorega nzvimbo iyoyo munguva yemberi.
Izvozvo zvinogona kunge zvisinganzwisisiki zvakakwana, asi kazhinji hupenyu hunotikurudzira kuita sarudzo pamusoro pekunge tisingateereri kurwadziwa kana kutora matanho. Semuenzaniso, kana cheese ichiiswa mukamuri umo rato rakange riine chiitiko chisingafadzi, mhuka ine mhirizhonga mukati uye inofanira kuita chisarudzo. Kunzwisisa chisarudzo ichocho kunotibatsira kunzwisisa kurwadziwa kusingaperi.
Muna 1984, vatsvakurudzi vakadya makonzo pataiti inopisa yakavharwa. Rats ingangodaro inowana nguva dzose rwanda chow kana chokoleti yakavharwa graham cracker (iyo inoratidzika kuti makonzo anofara).
Mushure memavhiki maviri, ndiro yakatsvaira yakashandurwa. Nharo, hongu, dzakasvetuka kubva. Chinhu chinonakidza ndechokuti makonzo akawana chokoleti yakavharwa nechekarakisi ye graham yaive yakanonoka kubva muchitsiko chaipisa-vaigona kutsungirira marwadzo akawanda vachitarisira mubairo. Kunyanya kunakidza ndechokuti makonzo "kuoma kwepfungwa" akaenda zvachose neaixone, zvichiratidza kuti mafipiki anogadzikana aive akavabvumira kuti vakuremedze pa hotplate mukutarisira chokoleti chakavharwa graham cracker kunaka.
Mubvunzo unoramba uripo, chii muuropi hunoita kuti huropi huite chisarudzo chekuita marwadzo? Chii chinokurudzira uropi kuti hubatsire maopioid anogadzirisa, uye chii chinokonzera uropi kupindura marwadzo nekusvetuka kubva pabheti?
Mashoko acho achiri kushandiswa, asi muchidimbu, kupindura kurwadziwa, panzvimbo yekuita basa remubairo, kunosanganisira maitiro edu-nzvimbo inozivikanwa yekuenzanisa kudzidza uye manzwiro. Iyi ndiyo nzira yatinodzidza kudzivisa kurwadziwa mune ramangwana. Zvinofadza, maurosiasisheni atanga kuwana shanduko munzvimbo idzi dzehuropi kuvanhu vane marwadzo asingagumi. Tariro ndeyokuti nekunzwisisa zviri nani, mushonga mutsva unogona kutora marwadzo paari chaiwo chaiwo, uropi, pane kuramba uchivhima usingabudiriri kune zvimwe zvinokonzera.
> Sources:
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Dum J, Herz A. Endorphinergic kugadzirisa kwemapurogiramu emagetsi emagetsi anoratidza maitiro ekuchinja. Pharmacology, biochemistry, uye mufambiro 1984; 21: 259-266.
Hughes J, Smith TW, Kosterlitz HW, Fothergill LA, Morgan BA, Morris HR. Kuzivikanwa kwepentapeptide mbiri dzakabatana kubva muuropi neine opiate agonist basa. Zvisikwa 1975; 258: 577-580.