工作压力大有多可怕?_BEC初级作文

工作压力大有多可怕?

New research shows just how stressful starting a new career as a doctor can be: stressful enough to have your DNA age six times faster than it normally would.

一项新研究表明，开始医生新职业的压力有多大：压力足以让你的DNA衰老速度比正常情况快六倍。

Scientists studying cellular ageing through DNA telomeres (the 'tips' of our chromosomes), which shrink as we get older, found that this natural shrinkage was happening at an accelerated rate among new doctors – the equivalent of six years' worth of shortening in just 12 months.

科学家通过DNA端粒(染色体的“尖端”)研究细胞衰老，随着年龄的增长，端粒会收缩。他们发现，新医生体内的这种自然收缩速度正在加快——这相当于在短短12个月内缩短6年的时间。

It's the first large, longitudinal study to look at the link between chronic stress and cell ageing, and the team behind the research says it could have implications for those in any high-pressure situation, from trainee soldiers to new parents.

这是第一个大型的纵向研究，着眼于慢性压力和细胞衰老之间的联系，研究团队表示，这可能会对任何高压环境下的人产生影响，从新兵到新父母。

"Research has implicated telomeres as an indicator of ageing and disease risk, but these longitudinal findings advance the possibility that telomere length can serve as a biomarker that tracks effects of stress," says one of the team, neuroscientist and psychiatrist Srijan Sen from the University of Michigan (U-M).