Kwararru sun bayyana sunadaran sinadarai 12 wadanda zasu iya rage matakin IQ a cikin yara, da haifar da matsalar rashin kulawa, da kuma tada hankalin Autism a lokacin girma tayi. Wadannan abubuwa ana samun su ba kawai a cikin muhalli ba, har ma a cikin kayan gida kamar kayan daki da tufafi. Masana kimiya sun damu musamman yadda yara a duniya ke kamuwa da sinadarai masu guba, wadanda gwamnati ba ta san hatsarin ba a hukumance.
Yara suna ƙara bincikar lafiya tare da rashin kulawa da hankali, kuma ana bincikar cututtukan ci gaban neurobehavioral a cikin 10-15% na jarirai. Rage aikin kwakwalwa na asibiti ya fi kowa yawa. Haka kuma, kwayoyin halitta suna haifar da irin wannan cuta kawai a cikin 30-40% na lokuta.
Philip Grandjin (Kwalejin Harvard Bellinger) da Philip Landrigan (Makarantar Magunguna ta Dutsen Sinai, Manhattan) sun jawo hankali ga waɗannan gaskiyar a cikin karatunsu. Suna ba da shawarar cewa abubuwan muhalli suna da hannu a cikin haddasawa, a wasu lokuta haɗe da abubuwan halitta. Kuma sun ba da misali da cewa sinadarai da masana'antu daban-daban ke amfani da su sosai suna taka rawa a cikin "kwanciyar hankali" cutar cututtukan kwakwalwa.
Sun haɗa da sinadarai neurotoxin mafi haɗari:
- methylmercury,
- polychlorinated biphenyls (PCBs),
- ethanol,
- kai,
- arsenic,
- toluene,
- manganese,
- fluorine,
- chlorpyrifos,
- tetrachlorethylene,
- polybrominated diphenyl ethers (PBDE),
- dichlorodiphenyltrichloroethane.
Tabbas, ba sirri bane cewa yawancin sinadarai da ke cikin wannan jerin suna da guba. Tambayar ita ce sau nawa muke saduwa da su da kuma ko muna sarrafa shi. Kuma sakamakon irin waɗannan lambobin ya yi nisa daga ko da yaushe a yi nazari da kuma iya tsinkaya. Misali, jagoranci ya kasance a cikin man fetur, fenti har ma da kayan wasan yara shekaru da yawa kafin masana kimiyya su fahimci mummunan tasirinsa ga mutane.
Fluorite da amfani a ƙananan allurai: yana taimakawa hana haƙori lalata da ƙarfafa ƙasusuwa. Duk da haka, a cikin manyan allurai, yana haifar da ciwon hakori da kashi kashi kuma yana rinjayar ci gaban kwakwalwa. Amma, ba shakka, wannan ba game da man goge baki bane.
Na matukar damuwa masu kashe gobara Ƙungiya ce ta mahadi da aka sani da PBDEs. An fara amfani da waɗannan sinadarai maimakon PCBs da aka haramta. A lokacin da aka gano suna haifar da ciwon daji da kuma raunana tsarin rigakafi, haihuwa, jin tsoro da tsarin endocrin, an yi amfani da su a daruruwan samfurori, irin su robobi da roba. Masana'antun sun canza zuwa PBDEs. Duk da haka, an riga an tabbatar da cewa PBDEs, da ake amfani da su don kashe kayan wuta, suna rage IQ da jinkirin haɓakar tunani.
Hasali ma, babu iyaye da za su iya kare ’ya’yansu daga wannan guba. Kuma ba a fitar da su da gumi kuma suna zama a cikin jiki na dogon lokaci. Kimanin kashi ɗaya cikin huɗu na metabolism ana nufin tabbatarwa da kiyaye aikin kwakwalwa. Don aiwatar da ko da na asali bayanai, biliyoyin siginar sinadarai koyaushe suna wucewa tsakanin neurons. Tsarin yana da wahala sosai har kwakwalwa tana amfani da adadin kuzari sau 10 a kowace kilogiram fiye da sauran gabobin jiki.
Mafi yawan kwakwalwa da kuma na’urorinta na jijiyoyi biliyan 86 suna samuwa ne a cikin ‘yan watannin farkon rayuwar yaron da ba a haifa ba, a cikin mahaifa. Domin kwakwalwa ta bunkasa yadda ya kamata, neurons dole ne su yi layi daidai da tsari a ƙarƙashin rinjayar hormones da masu watsawa, amma neurotoxins na iya kashe sel daga hanya. A farkon matakai na rayuwa, ko da ƙananan tasirin waje na iya haifar da lalacewa marar lalacewa ga kwakwalwa, wanda ba zai haifar da sakamako ga babba ba.
Me za a yi? Masana, ciki har da Philip Grandjin da aka ambata, sun ba da shawarar cin kayan lambu, wato, girma / samarwa tare da ƙarancin kashe kwari ko babu, musamman ga mata masu ciki. Kara karantawa game da gubobi a cikin labarin kan The Atlantic.