What factors may weaken one's memory?

问题描述:

What factors may weaken one's memory?
请用英文回答

什么原因会导致一个人的记忆力衰退?
或者什么原因会削弱一个人的记忆(力)?
没注意是回答:
Too much stress on the job could cause insomnia,and insomnia may weaken one's memory,or bad habit like smoking and drinking will weaken one's memory.