连续过度劳累的人已经知道，压力在现代生活中几乎是固定的。但是压力在多大程度上影响了我们的身体-有没有办法健康地对抗它？这个《国家地理》项目以斯坦福大学神经生物学家罗伯特萨波尔斯基（RobertSapolsky）的工作为重点，着眼于最新的科学，以了解研究人员对这个阴险无声的杀手的了解。RobertSapolskyStudiedbaboons.Baboonsinthehigherhierarchyarelessstressedthanthoseinthelowerhierarchy.Hisdoctoratestudyonratsshowedthatstressshrankthepartoftheirbrainresponsibleformemory(hippocampus).Chronicstresscausesbraincircuits,andwelosetheabilitytorememberthings.Acutestressresultintheinabilitiestorememberthingsyouknowperfectlywell.WhitehallStudyThehighertherankingoneholds,thelessstresshesheexperiences.Untiltheearly1980s,themainstreambelievedthattheonlyproblemcausedbystressisulcers.Later,Aust