nmoreoxygentogettoyourmuscles(肌肉)andyourbrain.Recently,peoplehavebegunstudyingtheconnectionbetweenthenaturalworldandhealing(治愈).38Intheseplacespatientscangotobenearnatureduringtheirrecovery.Itturnsoutthatjustlookingatgreen,growingthingscanreducestress,lowerbloodpressure,andputpeopleintoabettermood(情绪).Greeneryisgoodforus.HospitalpatientsWhoseetreebranchesouttheirwindowarelikelytorecoveratafasterratethanpatientswhoseebuildingsorskyinstead.39Itgivesusagreatfeelingofpeace.40Whilethesun'srayscanageandharmourskin,theyalsogiveisbeneficialVitaminD.TomakesureyougetenoughVitaminD—butstillprotectyourskin—putonsunscreenrightasyouheadoutside.Ittakessunscreenaboutfifteenminutestostartworking,andthat'splentyoftimeforyourskintoabsorbaday'sworthofVitaminD.A.Freshaircleansourlungs.B.Sowhatareyouwaitingfor?