Ga mutum uku daga cikin mutane hudu da suka bunkasa cutar Parkinson (PD), cutar ta fara ne tare da rawar jiki ko girgiza a daya daga hannun. Hakanan yana iya bayyana a ƙafa, fuska, ko jaw amma yawanci, yana bayyana a ɗaya daga hannun. Wannan haushi ya faru ne lokacin da tsokoki na hannu suke shakatawa da hutawa. Saboda haka sunan: hutawa yana rawar jiki.
Tremor yana da 'Kwayar Kwayoyi'
Girguwa yana kama da kake yin sigari, tsabar kudi, ko kwaya tsakanin yatsa da yatsa.
Abin da ya sa aka kira shi "treming-rolling" tremor.
Abin da ke haifar da razana?
Masana kimiyya basu riga sun warware asirin abin da ke haifar da fargaba amma suna da wasu alamomi masu kyau.
- Daya daga cikin mahimman asali na cutar Parkinson shine asarar dopamine a yankunan kwakwalwa wanda ke goyan bayan ƙungiyoyi.
- Wadannan shafukan yanar gizo na kwakwalwa suna cikin jerin abubuwan da ke kwarewa wajen samar da nau'i daban-daban.
- Ɗaya daga cikin wadannan jigilar sun haɗa da tsarin kwakwalwa wanda aka sani da thalamus.
- Tilalamus yana taimakawa wajen tsara ƙungiyoyi ta hanyar yin amfani da bayanan sananne game da ƙungiyoyi daga hankula har zuwa kwakwalwa. Kwafuta yana amfani da wannan "mahimmanci" daga thalamus don sarrafa ƙungiyoyi masu rikitarwa.
- Rashin dopamine a cikin kwakwalwa kewaye dauke da thalamus disrupts aiki na thalamus.
- Yawancin bincike sun nuna cewa lalacewa a cikin cikakkun matakan dopamine a cikin shirin na zamani yana fara shekaru kafin farawar rawar da PD.
- Lokacin da matakan dopamine suka kai matakin ƙananan ƙananan hali, thalamus ya ɓacewa ta al'ada da shigarwa da kuma gaisuwa.
Lokacin da kwakwalwa ba zai iya samun cikakken bayani game da yadda ƙungiyoyi suke ci gaba ba, ba zai iya gyara daidai matsaloli ba ko daidaita ayyukan motsi da sauransu.
Ƙungiyoyin da suka fi rikitarwa, irin su ƙungiyoyi da yatsunsu, sune na farko da za a shafa, kuma mafi yawan abin ya shafa.
Mafi kyawun maganin zubar da hankali ga ƙwaƙwalwar jiki shine har yanzu maye gurbin dopamine.
Sources:
> Cibiyar Nazarin Cibiyoyin Kwayoyin Tsaro da Yankewa. "Cututtuka na Parkinson: Fata ta hanyar bincike." http://www.ninds.nih.gov/disorders/parkinsons_disease/detail_parkinsons_disease.htm
> R. Pahwa da KE Lyons (Masu gyara), Handbook of Parkinson's Disease ; 4th Edition, New York, Informa Healthcare Publishers, 2007.