Kusuta mkulu-mphamvu cannabis akhoza kuwononga ulusi mitsempha mu ubongo

Smoking high-strength cannabis may damage nerve fibres in brain

 

Zoyendetsedwa ndi Guardian.co.ukNkhaniyi lotchedwa “Kusuta mkulu-mphamvu cannabis akhoza kuwononga ulusi mitsempha mu ubongo” linalembedwa ndi Ian Chitsanzo Science mkonzi, pakuti The Guardian pa Friday 27 November 2015 00.01 UTC

Mkulu-mphamvu cannabis akhoza kuwononga ulusi mitsempha kuti kusamalira otaya mauthenga kudutsa Magawo awiri a ubongo, asayansi amati. Brain mapanga sikani wa anthu amene nthawi zonse kusuta amphamvu Kanyimbi ngati cannabis anaulula kusiyana zochenjera nkhani woyera kuti zikugwirizana ndi lamanzere ndi lamanja hemispheres ndipo akuchita zizindikiro kuchokera mbali imodzi ya ubongo ndi ena.

kusintha anali m'zimene amene sanagwiritse ntchito cannabis kapena kusuta okha njira zochepa amphamvu mankhwala, ofufuza anapeza.

phunziro akuganiza kuti loyamba kuyang'ana zotsatira za cannabis potency pa dongosolo ubongo, ndipo zikusonyeza kuti ntchito kwambiri Kanyimbi akhoza kuwononga kwambiri kwa corpus callosum, kupanga aya kudutsa hemispheres ubongo molongosoka.

Paola Dazzan, ndi neurobiologist pa Institute of Psychiatry pa Mfumu College London, anati zotsatira anaonekera kwa zogwirizana ndi msinkhu wa yogwira pophika, tetrahydrocannabinol (THC), mu cannabis. Pamene mitundu chikhalidwe cannabis muli 2 kuti 4 % THC, mitundu more amphamvu (amene muli pafupi 100), akhoza muli 10 kuti 14% THC, Malinga ndi DrugScope chikondi.

"Ngati inu muyang'ana pa corpus callosum, chimene ife tikuona kusiyana kwambiri pa nkhani woyera pakati pa anthu amene amagwiritsa ntchito mkulu potency cannabis ndi amene konse ntchito mankhwala, kapena ntchito otsika potency mankhwala,"Anati Dazzan. The corpus callosum wolemera zolandilira cannabinoid, amene machitidwe THC mankhwala.

A fano DTI wa corpus callosum, monga taonera ku mbali, zikusonyezedwa yofiira ndi superimposed pa maziko Kujambula chithunzi cha bongo.
A fano DTI wa corpus callosum, monga taonera ku mbali, zikusonyezedwa yofiira ndi superimposed pa maziko Kujambula chithunzi cha bongo. Chithunzi: Institute of Psychiatry

"Kusiyana kwake kumeneko ngati muli ndi maganizo kapena ayi, ndipo ife kuti izi mosamalitsa okhudzana ndi potency wa cannabis ndi,"Ananenanso. Tsatanetsatane wa phunziro zinalembedwa mu Buku la Psychological Medicine.

Akatswiriwo ntchito njira ziwiri chindodo, kulingalira maginito kumveka (Kujambula) ndi kulingalira mayamwidwe tensor (DTI), kufufuza corpus callosum, dera lalikulu kwambiri nkhani woyera, mu ubongo wa 56 odwala amene anaulula Nthaŵi loyamba la maganizo, ndi 43 ongodzipereka wathanzi kwa m'deralo.

The mapanga sikani anapeza kuti owerenga tsiku la mkulu-potency cannabis anali ndi pang'ono kwambiri - by za 2% - "Zikutanthauza diffusivity" mu corpus callosum. "Izo zimanyezimiritsa vuto pankhani woyera zoti kuvumbitsira molongosoka,"Dazzan anauza Guardian. "Ife nkhabe kupidziwa mmene munthuyo, koma zikusonyeza pali molongosoka kulanda mudziwe. "

phunziro Palibe umboni wotsimikizira kuti mpweya wambiri wa THC kusintha cannabis chifukwa nkhani woyera. Monga Dazzan zolemba, ndi Mwina anthu ndi nkhani kuonongeka woyera ndi kuyamba kusuta fodya Kanyimbi mu malo oyamba.

"N'zotheka kuti anthu amenewa kale ndi ubongo osiyana ndi m'posavuta kugwiritsa ntchito cannabis. Koma kodi tinganene ngati ndi mkulu potency, ndipo ngati fodya pafupipafupi, ubongo wanu ndi wosiyana ndi ubongo wa munthu amene amasuta cannabis yachibadwa, ndi kwa munthu amene fodya cannabis konse,"Iye anati.

Koma ngakhale ndi kusamvetsa pa ndi zotsatira, anapempha owerenga ndi ogwira ntchito zaumoyo kusintha mmene kuganiza za ntchito cannabis. "Pankhani mowa, ife tinkakonda kuona anthu kwambiri kumwa, ndipo ngati iwo kumwa vinyo, mowa, kapena kachasu. Tiyenera kuganizira za cannabis mofananamo, mawu a THC ndi nkhani zosiyanasiyana cannabis akhoza, ndipo zingakhale ndi zotsatira thanzi chasintha,"Iye anati.

"Monga ife ananena kale, pamene akuona ntchito cannabis, n'kofunika kwambiri kuti Adziwe kangati ndi lotani cannabis akugwiritsa ntchito. Zimenezi zingathandize kuchuluka kwa mavuto maganizo ndi kuonjezera kuzindikira mtundu wa kuwononga zinthu izi angachite kuti ubongo,"Ananenanso.

mu February, Dazzan ndi ena pa Institute of Psychiatry inanena kuti okonzeka kupezeka kwa Kanyimbi kum'mwera London akhoza kukhala kumbuyo nyamuka mu chiwerengero cha milandu watsopano wa maganizo kuti zimachitika cannabis.

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