Mind Aging is a new expression coming into the view of the modern people. It is said in a

Mind Aging is a new expression coming into the view of the modern people. It is said in a study that 54 % middle-aged adults treat themselves as old people, they are depressed and frightened at the thought of getting old and they worry about their later life. Such mindset has exerted negative influence on their work and life. What are the hidden reasons for triggering mind aging among modern people？ Write an essay of about 400 words on the following topic: On Mind Aging

请帮忙给出正确答案和分析，谢谢！