夏说英语新闻晨读 第457期:压力影响记忆（在线收听）

 本期内容：

Listen up, gen-Xers and millennials, and, well, everybody who has a brain. If you live a high-stress life, you could have memory loss and brain shrinkage before you turn 50, according to a study published Wednesday in the journal Neurology. "Higher levels of cortisol, a stress hormone, seem to predict brain function, brain size and performance on cognitive tests," said study author Dr. Sudha Seshadri, professor of neurology at UT Health San Antonio.

gen-Xers: 第X代的人
millennials: n. 千禧一代（指2000年后出生的人群）
millennial: adj. 千禧年的
millennial program: 千禧年计划
shrinkage: n. 收缩
shrink: v. 缩小（体积变小；数字下降）
neurology: n. 神经学
cortisol: n. 皮质醇
hormone: n. 荷尔蒙
predict: vt. 预测；推断
cognitive: adj. 认知的