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Another leading cause of memory problems is chronic stress.
另一個引發記憶力問題的原因是長期壓力。
When we're constantly overloaded with work and personal responsibilities, our bodies are on hyper-alert.
當我們長期面對超負荷的工作和個人壓力時，我們的身體就會報警。
This response has evolved from the physiological mechanism designed to make sure we can survive in a crisis.
這個反應源于我們身體為保證能在危機中生存而設計的生理機制。
Stress chemicals help mobilize energy and increase alertness.
因為壓力而產生的化學物質幫助身體調動能量和增加警戒。
However, with chronic stress our bodies become flooded with these chemicals, resulting in a loss of brain cells and an inability to form new ones, which affects our ability to retain new information.
但是，長期的壓力讓我們的身體里的這些化學物質泛濫了，導致腦細胞流失和制造新腦細胞能力衰弱，從而影響了我們記住新信息的能力。
Depression is another culprit.
抑郁是另一個罪犯。
People who are depressed are 40% more likely to develop memory problems.
40%抑郁的人更容易有記憶力問題。
Low levels of serotonin, a neurotransmitter connected to arousal, may make depressed individuals less attentive to new information.
激起興奮神經傳遞的低水平血清素，可能讓抑郁的人更不關注新信息。
Dwelling on sad events in the past, another symptom of depression, makes it difficult to pay attention to the present, affecting the ability to store short-term memories.
抑郁的另一個癥狀，是沉浸在過去悲傷的事件中出不來，這導致他們很難關注現在發生的事情，影響了存儲短期記憶的能力。
Isolation, which is tied to depression, is another memory thief.
與抑郁緊密聯系的“ 孤立 ”是另一個記憶小偷。
A study by the Harvard School of Public Health found that older people with high levels of social integration had a slower rate of memory decline over a six-year period.
哈佛大學公共健康學院的一項研究發現，在六年時間里，擁有更高社會融合能力的老人記憶衰退較慢。
The exact reason remains unclear, but experts suspect that social interaction gives our brain a mental workout.
雖然確切的原因還不清楚，但專家推測，社會交往使我們的大腦得到了鍛煉。
Just like muscle strength, we have to use our brain or risk losing it.
就像肌肉力量的訓練一樣，我們必須使用我們的大腦，不然就有可能失去它。
But don't despair.
不過不要絕望。
There are several steps you can take to aid your brain in preserving your memories.
你可以用下面的幾個步驟，去幫助你的大腦保存記憶。
Make sure you keep physically active.
首先，確保你堅持鍛煉。
Increased blood flow to the brain is helpful.
增加血液回流大腦是有益的。
And eat well.
然后好好吃飯。
Your brain needs all the right nutrients to keep functioning correctly.
你的大腦需要所有的正確的營養物來保持功能正常。
And finally, give your brain a workout.
最后，給你的大腦一些鍛煉。
Exposing your brain to challenges, like learning a new language, is one of the best defenses for keeping your memories intact.
讓你的大腦應對新的挑戰，比如學習一門新語言，這是保持記憶力的最好方法之一。
