A balance between physical and mental health refers to the condition where body and mind are normal in relations between each other. In contrast, if one has a health defect or abnormal condition to what causes an imbalance between these two aspects of health.
The balance between physical and mental health means physical and mental conditions that are normal in relations between them. On the other hand, if the health part is defective or unusual conditions. It is considered a severe imbalance between the two sides on health.
The balance between physical and mental health, means and conditions are normal in the relationship between each other. On the other hand, if the health part have impaired or abnormal condition.