The mental health illness has an effect on their study and life.

心理健康问题对他们的学习和生活都造成了影响。

youdao

Another is that many people don't recognize they have a mental-health illness and others are unwilling to go because of the stigma.

另外一个原因，是许多人并不认为自己患有心理疾病。而且，人们因为耻辱不愿去看心理医生。

youdao

Their main job is to preserve health rather than treat illness.

他们的主要职责是保健而不是治病。

《柯林斯英汉双解大词典》

Psychology is not just about illness or health; it is about work,education,insight,love,growth,and play.

心理学关注的不仅仅是疾病或健康状况;,还包括工作，教育，洞察力，爱，成长和玩乐。

哈佛公开课 - 幸福课课程节选

And there is clinical, which is maybe the aspect of psychology that people think of immediately when they hear psychology, which is the study of mental health and mental illness.

最后就是临床心理学,这也许是当人们提到心理学时,最先想到的方面,它主要研究心理健康和心理疾病

耶鲁公开课 - 心理学导论课程节选

The reason is because there are two different approaches to deal with illness: one,the positive psychological approach is that the illness is the absence of health, as opposed to health is the absence of illness.

究其原因，是因为有两种不同的方法,对付疾病，一是积极心理学方法,它指的是，疾病相当于不健康，相对地，健康等于没疾病。

哈佛公开课 - 幸福课课程节选

It entails a different approach to life, death, health and illness, and a different view of the doctor-patient relationship, of health services and of risk factors.

UNESCO: Social and Human Sciences

And add health and illness to this issue and emotion often leads the way.

FORBES: Technology, Digital Health and the Frankenstein Syndrome

You've got to look at the mental, emotional and the spiritual aspects of human life to understand health and illness.

CNN: Dr. Andrew Weil: Aging and alternative medicine