Lena ke lona lebaka le etsang hore bana ba be mahlanya

Boemo bo phahameng ba bothoto ba bana bo na le lebaka le utloahalang, ntle le moo ho hloka mosebetsi wa mmele Bakeng sa moloko o mocha, ho na le meelelo e mengata e keneng lijong tsa rona 'me ea lula likelellong tsa bana ba rona ho phahamisa boemo ba bothoto ba bana habeli kapa ho feta.

Ho tloha ka bo-XNUMX, fluoride e ’nile ea kenngoa metsing a pompo linaheng tse ling tse tsoetseng pele ho sireletsa khahlanong le ho bola ha meno.

Ho ile ha fumaneha hore maemo a phahameng haholo a khatello ea ntho ena a baka tšenyo e kholo bokong, athe maemo a mahloriso a fumanoang metsing a pompo hangata ha a kotsi.

"Re ile ra hlokomela hore ho ne ho e-na le lipelaelo tse kholo ka likotsi tsa fluoride, haholo-holo ho bakhachane le bana ba banyenyane," Kristen Till oa Univesithi ea York Canada, mongoli ea ka sehloohong oa thuto e hatisitsoeng koranteng ea JAMA Pediatrics, o ile a bolella AFP.

Mekhoa ea ho eketsa bohlale

Ho ea ka bafuputsi, metsi a nang le fluoridated a abeloa hoo e ka bang 66% ea baahi ba United States, 38% ea baahi ba Canada, le 3% ea baahi ba Europe.

Phuputso e ile ea hlahloba banyalani ba ka bang 601 ba bo-'mè le bana metseng e tšeletseng ea Canada, bao 41% ea bona ba lulang libakeng tse fepeloang metsi a nang le fluoridated ho tsoa ho balaoli ba masepala.

Bafuputsi ba hlokometse hore keketseho e 'ngoe le e' ngoe ea motsoako oa fluorine morong oa basali ba baimana ka milligram e le 'ngoe ka litha e le nngwe e ne e amahanngoa le ho fokotseha ha 4,5-ntlha ho IQ ho bashanyana ba pakeng tsa lilemo tse tharo le tse' nè, empa eseng ho banana.

Ha ho nahanoa ka palo ea fluorine eo 'mè a neng a e ja letsatsi le leng le le leng ho e-na le palo ea moroto, bafuputsi ba hlokometse hore keketseho e' ngoe le e 'ngoe ea milligram e le' ngoe e amahanngoa le ho fokotseha ha lintlha tsa 3,7 ho IQ ea bashanyana le banana.

Leha ho le joalo, litsebi tse ngata mafapheng a fapaneng ho tloha ho lipalo-palo le toxicology ho ea ho neuroscience, li nyatsitse thuto ena.

"Ke nahana hore liqeto li fokola ebile li na le moeli," ho boletse Stuart Ritchie, setsebi sa kelello King's College London. E kanna ea ba ea bohlokoa lithutong tse pharalletseng mabapi le taba ena, empa eona feela e ke ke ea ntšetsa pele ngangisano mabapi le likotsi tsa fluorine. ”

Ka tebello ea phehisano, Gamma Pediatrics e ile ea fana ka polelo e sa tloaelehang eo ho eona e ileng ea bolela hore ho hatisa thuto e ne e se qeto e "bonolo".

Ho kenya letsoho ho fokotseng litekanyetso tsa ho bola ha meno United States, ho eketsa fluorine metsing ke e 'ngoe ea katleho e kholo ka ho fetisisa ea XNUMX ea bophelo bo botle ba sechaba lekholong la boXNUMX la lilemo, ho latela Centers for Disease Control and Prevention (CDC).