AfterarecentspateofcrystalclearblueskieswedalmostforgottenaboutthesmogbuteventhoughtheAQIiscreepingbackupagaintheremaybehopeonthehorizonintheformofanewstudy.Thepaper,publishedinthejournalProceedingsoftheNationalAcademyofSciences(PNAS),foundthathighdosesofvitaminBsupplementsmayoffersomeprotectionagainsttheeffectsofairpollution,aBBCarticlereports.Thesmall-scalehumantrialwasdesignedtofindoutwhetherconsumingBvitaminscouldoffsettheeffectsofexposuretoPM2.5attheepigeneticlevel.Tenpeopleweregivenhighdoses(2.5mgoffolicacid,50mgofvitaminB6,1mgofvitaminB12)*ofBvitaminsupplementsforaperiodoffourweekswhilebeingexposedtoaircontaininghighlevelsofPM2.5.Thestudyfoundthatthevitaminsdidoffsettheeffects.Theresearchersacknowledgethatthiswasjustapilotstudytotestahypothesisandarequicktopointoutthelimitationsofthestudy–includingthesmallnumberofparticipants,thelackofinformationaboutthesizeoftheBvitamindosethatcreatedtheresponse,andtheneedtocarryoutsimilarstudiesinchronicallypollutedcitiessuchasBeijingandNewDelhi–butwelltakeanyreinforcementswecangetinthefightagainstBeijingsair.Tomakesureyouregettingyourre
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