BPA, kana bisphenol-A, ikemikari inowanikwa mune mamwe plastiki uye epoxy resins. Kana iwe ukatarisa nhamba yekudzorera nhamba 7, iwe uchaziva kuti plastiki yauri kushandisa ine BPA. BPA inogona kuwanika mune mamwe mavhareti emeno, makanini emakwenzi emakinini, mabhodha emwana, uye zvigadzirwa zvemishonga.
Vhidhiyo vanowanzotaura nezvekunetseka pamusoro peBPA, uye unogona kuwana mabhodhoro asina mvura eBPA anotengesa (kazhinji pamutengo mukuru) mumatambo akawanda emitambo.
Ndizvo zvinodhura BPA-zvisingabatsiri here? BPA iine ngozi kune utano hwako here?
Hezvino izvo UpToDate , magwaro ekutaura kwechiremba nevarwere, inofanira kutaura pamusoro peBPA:
"Kunetseka nezvehutano hwehutano hunobva pane zvidzidzo zvezvipfuwo zvakaratidza kuti BPA inoshanda sewesrogen isina simba mumuviri uye inogona kukanganisa zvirongwa zvehupenyu panguva yakaderera. Somuenzaniso, zvidzidzo zvezvipfuwo zvakaratidza kuti kuderera kwehuwandu hweBPA munguva yekusimudzira kunogona kuchinja mufambiro, uropi, prostate gland, mammary gland, uye nguva iyo mhuka dzechikadzi dzinokura.
"Zvidzidzo zveEpidemiological zvakaratidzawo kuti hutano hwevanhu huripo, hunosanganisira chirwere cheshuga, moyo wehutachiona, chiropa chisina kumira, uye zvirwere zvisingawanzoitiki.
Estrogen uye BPA
BPA inonyatsozivikanwa neve endocrine. Endocrine kuvhiringidza imakemikari ane simba kune mahomoni mumitumbi yedu, kana kupindira nekushanda kwavanoita mumuviri kana kutevedzera mahomoni mumutumbi.
BPA mimicheni yesrogen, inokosha ekuberekorora hormone. Kunyange zvazvo isrogen inowanzofungidzirwa sehomoni yevakadzi, hormone inokosha kune varume nevakadzi.
BPA inoshanda seestrogen isina simba mumuviri, uye kunyanya mune zvidzidzo zvemhuka, yakawanikwa ichive nemigumisiro kunyange pamatunhu akaderera. Kutsvakurudza kwakawana kuti kana mhuka dzichienda kuBPA pamatanho makuru ekufambisa, njodzi yekukanganisa yakaipa yakakwirira.
Izvi zvinosanganisira fetal mucheche uye mhuka yemwana mucheche.
BPA muvanhu
Hatizivi chaizvo kana zvidzidzo zvemhuka zvinoratidza kuti vanhu vachaita sei kumazinga eBPA. Zvisinei, zvakanakisisa kuva vakangwarika kana zvichibvira, uye National Institute of Environmental Health Sciences (NIEHS) inoratidza kuti kudzivisa kuonekwa kweBPA kana uine pamuviri kana kunwisa.
Asi zvakadini nehukuru hweBPA? Inogona kutungamirira kumatambudziko nekubereka here? INIEHS inoshuma kuti maererano nekutsvakurudza kwezvino, kune kushaya hanya kweBPA kukuvadza kubereka muvanhu vakwegura vane utano, vasingashandisi nemichero yeBPA munzvimbo yebasa. (Kune avo vanoshanda zvakananga neBPA zvinhu, vanoona dambudziko risina kukosha.)
Zvimwe zvidzidzo zviduku zvakawana kubatana kunogona kuitika pakati peBPA uye kubereka. Mune rumwe ruzivo, varume vane maitiro anoonekwa eBPA mumukombe wavo vaiva katatu semukana wekudzikisa hutundu hwemhondi uye simba rehuta, kanopfuura katatu kazhinji kacho kuve nenhamba yepamusoro yehuta, uye kaviri inogona kuva nechepembenene wemvura ( Mbeu inoshambira). Ichi chidzidzo chinonyanya kuisa pavarume vanoshanda neBPA mune zvinyorwa, saka hazvinyatsonzwisisi kuti izvi zvingabatana sei nevarume vasina kushanda neBPA mubasa rekushanda.
Muchidzidzo chiduku chakatarisa vakadzi vachienda kuburikidza neVIV , vatsvakurudzi vakawana kuti yepamusoro mazinga eBPA, pasi pepamusoro eestradiol mazinga aiva. Vakatorawo kuti maawa mashomanana akadzorerwazve kuvakadzi vaiva nepamusoro maBPA.
Nokuti zvidzidzo izvi zvakave zviduku muhukuru, zvisinei, hazvisi pachena kuti zvakanyanya sei zvinetso zveBPA zvingave zvine chokuita nekubereka uye hutano hwevanhu.
Kudzivisa BPA
Zvimwe zvidzidzo zvakawana kuti 90 muzana yevanhu vanoona maitiro eBPA mumuguta wavo. Tichifunga kuti 90% yehuwandu hwevanhu haibatanidzi nekushaya simba, uchapupu hahuna kuratidzira kuratidza kuwirirana kwakananga pakati peBPA nekushaya vana .
Zvisinei, zvakapiwa kuti zvimwe zvidzidzo zvepakutanga zvakawana zvinokonzerwa nehutano hwekubereka, zvichida zvakanakisisa kudzivisa BPA kana zvichibvira.
Dzimwe nzira unogona kuderedza kusununguka kwako:
Deredza uwandu hwezvokudya zvekunamatira zvaunoshandisa. Pane kudaro, edza kutenga zvokudya zvinouya mugirazi mitsara (kana zvokudya zvitsva kana zvechando.)
Dzivisa kubika zvokudya zvako mumidziyo yepurasitiki, sezvaunogona kuita kana microwaving. Shandisa girazi panzvimbo.
Dzivisa mapurasitiki ezvokudya, mabhodhoro emvura, uye mamwe mabhodhoro epurasitiki ane nhamba yekare yepamusoro pairi. Izvi zvinogona kunge zvine BPA. Usashandise zvakare mabhodhoro emvura ayo akafanirwa kuregwa.
Taura nemumwe wako wemazino nezveBPA-free fillings.
Sources:
Goldman, Rose. Njodzi dzepabonde uye dzezvakatipoteredza kubereka mukuvakadzi. UpToDate.com.
Mok-Lin E, Ehrlich S, Williams PL, Petrozza J, Wright DL, Calafat AM, Ye X, Hauser R. Urinary bisphenol A maitiro uye kuvhara kwemaawa mukati mevakadzi vanotarisana neVF. International Journal of Andrology. 2010 Apr; 33 (2): 385-93. Epub 2009 Nov 30.