Arsenic imapezeka mwachibadwa mu mpunga koma mumatha kuichotsa ndi madzi
Mpunga uli ndi arsenic ndipo ndizoopsa kwa anthu onse a ku Asia omwe mpunga uli wambiri.
Chifukwa chiyani? Kodi arsenic ndi chiyani? Arsenic ndi mankhwala (kumbukirani tebulo la zinthu zakutchire kuchokera kusukulu ya sekondale? Arsenic ndi yomwe ili ndi chizindikiro). Arsenic ndi gawo la mankhwala achi China ndipo, mu ulamuliro wa Elizabeth I wa ku England, akazi ena (kuphatikizapo mfumukazi) adagwiritsa ntchito mankhwala osakaniza, viniga ndi choko m'matumba awo kuti awoneke ndi kuchepetsa zizindikiro za ukalamba.
Kutengera zambiri, arsenic ingayambitse matenda aakulu omwe angapangitse imfa. Mphamvu ya arsenic monga poizoni yadziwika kuyambira zaka za zana loyamba ndipo yakhala chida chofunira kupha chifukwa zizindikiro zimatha kufotokozedwa monga poizoni wamba wamba. M'mbuyomu, banja la Borgia mwina ndi akaidi olemekezeka kwambiri omwe anapha adani a ndale ndi arsenic.
Mmene Zimakhalira
Koma ndani akanaika arsenic mu mpunga? Palibe aliyense. Arsenic imabwera kuchokera ku madzi ndi nthaka, ndipo kupezeka kwake ndizochitika mwachibadwa. Choncho, sizikutheka kuti wina mwadala mwadala amadwala mpunga wa dziko ndi mankhwala owopsa. Ndipotu, ngakhale kuti zikuoneka kuti mpunga umasulidwa m'zaka zaposachedwapa, zimayenera kukumbukira kuti masamba obiriwira, zipatso, zipatso zamtundu ndi nkhuku nyama ndizo ziwiya zowonjezera arsenic kuchokera ku chilengedwe kupita ku zamoyo zathu.
Ngakhale anthu omwe sadya mpunga, masamba obiriwira, zipatso, zipatso zamtundu ndi nkhuku nyama amatha kupeza shuga m'thupi mwa madzi akumwa.
Pa Royal Geographic Society Arsenic Conference yomwe inachitikira ku London mu 2007, pepala linalemba mayiko omwe ali ndi zida zowonongeka kwambiri za arsenic ndipo United States inafika pachinayi .
Uthenga Wabwino
Pali uthenga wabwino kwa odyera mpunga, komabe. Zambiri mwa arsenic mu mpunga zingachotsedwe mwa kukonzetsa bwinobwino mbewu asanaphike.
Ndizozoloŵera zomwe ndakhala ndikuziwona kuyambira tsiku limene ndinaphunzira kuphika mpunga. Ophika ena amatsutsana ndi kupopera kuti amchere ambiri amalowa mu madzi odzola. Nthawi zonse ndakhala ndikukangana kuti m'dziko limene mpunga umagulitsidwa ndi kilo m'magetsi otsegula omwe amaonetsa mbewu zosaphika kukhala fumbi ndi mabakiteriya otengedwa ndi tizilombo ndi kusamalira anthu, palibe njira yomwe ndingaphike mpunga popanda kuwupaka ndisanaphike nawo osachepera katatu madzi. Tsopano, zikutanthauza kuti ndakhala ndikuchita ndekha ndi banja langa kukhala ndi chisomo chachikulu mwa kukana kutsatira otsutsa ophika mpunga.
Chifukwa palibe njira yodziwira ngati mpunga umene umagwiritsidwa ntchito popanga mpunga (kuphatikizapo mpunga ndi chakudya cha mwana) umatsukidwa bwino musanagwiritsidwe ntchito, ndi bwino kukhala kutali nawo.