2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
CHICAGO (Reuters) - Cov kws tshawb fawb ntawm US Food and Drug Administration tau qhia tias cov tshuaj nquag hauv cov tshuaj pleev thaiv hnub tuaj yeem nkag mus rau hauv cov hlab ntsha, lees paub qhov xav tau kev sim ntau ntxiv txog seb cov khoom no puas nyab xeeb, cov kws tshawb fawb tau hais rau hnub Tuesday.. …
Puas tshuaj pleev thaiv hnub nkag rau hauv koj cov hlab ntsha?
VERIFY: Yog, tshuaj pleev thaiv hnub tuaj yeem nqus tau rau hauv koj cov ntshav, tab sis qhov ntawd tsis tau txhais hais tias koj yuav tsum tsis txhob hnav nws. FDA pom cov pov thawj tias cov khoom xyaw nquag hauv tshuaj pleev thaiv hnub tuaj yeem nkag mus rau hauv koj cov hlab ntsha txawm tias tom qab siv ib zaug. Txawm li cas los xij, lawv hais tias koj yuav tsum hnav nws ntxiv.
Tshuaj pleev thaiv hnub nyob hauv koj cov hlab ntsha ntev npaum li cas?
Peb cov khoom xyaw tseem nyob hauv cov hlab ntsha rau xya hnub. Rau oxybenzone, uas tau pom nrog rau lwm cov tshuaj pleev thaiv hnub hauv cov kua mis, cov ntshav plasma tau mus txog qhov pib hauv ob teev tom qab ib daim ntawv thov thiab tshaj 20 ng / mL rau hnub 7 ntawm txoj kev tshawb no.
YPuas tshuaj pleev thaiv hnub nkag rau hauv koj daim tawv nqaij?
"Cov txiaj ntsig los ntawm peb txoj kev tshawb fawb tso tawm hnub no qhia tau tias muaj pov thawj tias qee cov tshuaj pleev thaiv hnub tuaj yeem nqus tau. … Txawm li cas los xij, qhov tseeb tias cov khoom xyaw yog nqus los ntawm daim tawv nqaij thiab mus rau hauv lub cev tsis tau txhais hais tias cov khoom xyaw tsis zoo, " said Dr.
Cov tshuaj tiv thaiv lub cev puas nqus tau?
tshuaj pleev thaiv hnub nqus rau hauv daim tawv nqaijthiab tom qab ntawd nqus UV rays, hloov pauvcov rays mus rau hauv tshav kub, thiab tso tawm lawv los ntawm lub cev. … Lub hnub ci thaiv lub cev zaum saum daim tawv nqaij thiab qhia txog lub hnub rays. Cov zaub mov titanium dioxide thiab zinc oxide yog cov khoom xyaw tseem ceeb hauv cov blocks lub cev.
Pom zoo:
Yuav ua li cas rov qab tshuaj pleev thaiv hnub rau pleev?
Pib, muab tshuaj pleev thaiv hnub me me rau ntawm ntu ntu ntawm daim txhuam pleev kom qhuav, tom qab ntawd kos - tsis txhob rub - tshuaj pleev thaiv hnub rau ntawm koj lub ntsej muag. Ua kom pom tseeb ntawm qhov chaw thiab muab tshuaj pleev thaiv hnub rau ntawm thaj chaw me me thaum lub sijhawm (piv txwv li hauv pliaj, qhov ntswg) kom ua tiav txawm tias muaj kev tiv thaiv, ces txav mus rau ntu tom ntej.
Thaum cov kab mob kab mob nkag mus rau hauv cov hlab ntsha?
Kev kis kab mob nrog cov kab mob tsis tas ua rau kab mob. Kev kis kab mob tshwm sim thaum cov kab mob, kab mob, lossis lwm yam kab mob nkag mus rau hauv koj lub cev thiab pib sib kis. Kab mob tshwm sim thaum cov hlwb hauv koj lub cev puas lawm vim yog kis kab mob thiab cov tsos mob thiab cov tsos mob tshwm sim.
Puas yog hu ua tshuaj pleev thaiv hnub lossis tshuaj pleev thaiv hnub?
Sunscreen, tseem hu ua suncream, sunblock los yog suntan lotion, yog ib tug photoprotective tshuaj pleev ib ce rau daim tawv nqaij uas absorbs los yog qhia txog ib co ntawm lub hnub lub ultraviolet (UV) hluav taws xob thiab yog li ntawd. pab tiv thaiv tshav kub kub thiab tseem ceeb tshaj tiv thaiv kab mob qog noj ntshav.
Puas yog cov hlab ntsha loj dua cov hlab ntsha?
Arterioles nqa ntshav thiab oxygen mus rau hauv cov hlab ntsha me tshaj plaws, cov hlab ntsha. Capillaries yog li ntawd small lawv tsuas pom tau nyob hauv lub tshuab tsom. Cov phab ntsa ntawm capillaries yog permeable rau oxygen thiab carbon dioxide.
Puas proteins nkag mus rau hauv cov hlab ntsha?
Protein yog ib qho khoom noj tseem ceeb rau yuav luag txhua qhov ntawm koj lub cev. Nws tau zom rau hauv koj lub qhov ncauj, plab, thiab cov hnyuv ua ntej nws tso rau hauv koj cov hlab ntsha raws li tus kheej cov amino acids. Yuav ua li cas protein nkag mus hauv cov ntshav?
