原文：Firstly, it is important to keep a healthy lifestyle by exercising regularly and eating a balanced diet. Secondly, managing stress levels is crucial by practicing relaxation techniques such as meditation and yoga. Lastly, seeking professional help when necessary is important in addressing mental health issues.

重述：Maintaining a healthy lifestyle through routine exercise and a balanced diet is crucial, as well as managing stress through techniques like meditation and yoga. Additionally, it is important to seek professional help when necessary to address any mental health concerns.