Unyango olukhanyayo olumhlophe Unyango lohlobo loxinzelelo olwaziwa njenge-seasonal affective disorder (SAD).
Ukudibanisa ukukhanya kunye ne-anti-depressants kusebenze kakuhle kwi Unyango lwexinzelelo olungelulo lonyaka, isifo ngoku siphathwa ngonyango lwengqondo kunye namayeza okulwa uxinzelelo, ngaphandle kweziphi iziqendu eziphindaphindayo eziqhelekileyo.
Kuphando, iqela labantu abanexinzelelo langexesha lonyaka bamenywa ukuba badibanise iProzac kunye nemizuzu engama-30 yokubonakaliswa kwimihla ngemihla kumthombo okhanyayo omhlophe. Iipesenti ezingama-60 zezigulana zabona ukuba iimpawu zabo ziyancipha.
Kude kube ngoku bekucingelwa ukuba unyango olukhanyayo olukhanyayo lukhulule i-SAD ngokulungisa ukuphazamiseka kwewotshi yangaphakathi yomzimba ebangelwe kukunyuka kobumnyama okwenzeka ebusika-ebusika, kodwa olu phononongo lutsha lubonisa ukuba nayo izibonelelo zengqondo ze-neurotransmitters, Njenge-serotonin, echaphazela imood.
Nangona kunjalo, le ndlela intsha yokunyanga uxinzelelo isenokubonisa izinto ezimbalwa ezingaziwayo, ezinje ngokuba unyango lokudibanisa ukukhanya okuqaqambileyo kunye neProzac kufuneka luhlale ixesha elingakanani. Kwelinye icala, ukuqukunjelwa kophononongo kukwavula amathuba okuba unyango olukhanyayo olumhlophe luyazisebenzela ngaphandle kwemfuneko yoxinzelelo, oluthi, ukuba luqinisekisiwe, lube Iindaba ezimnandi zabantu abanexinzelelo, njengoko iya kubavumela ukuba benze ngaphandle kweziyobisi okanye ubuncinci bokunciphisa ukutya kwabo.