资料:Becauseofthebiochemicalreactionsinyourbodythatoccurwitheverytypeoffoodyoueatonadailybases,somefoodsageyoufasterthanyourrealage,whileotherfoodshelptofightaging. Threeoftheprocessesthatgooninsideyourbodythathaveamajorimpactonyourrateofagingarecalled“glycation”,“inflammation”and“oxidation”. Whenwetalkaboutaging,we’renotjusttalkingaboutwrinklesonyourskinorhowthickyourhairis,we’realsotalkingaboutfactorsthatyoucan’tsee,suchashowwellyourorgansfunction,andwhetheryourjointsaredegrading. Thepassageisprobably___.
A.the preface of a book. B.an excerpt from a paper on health C.a book review D.promotional materials for a book正确答案B