Why has the modern church opted to trust in clinical psychology? Can you mix psychology and the Word of God?
I would say no,but not necessarily for a doctor that deals with physical problems,for God might not heal physically,but He will always heal,and maintain good mental health in a saint.
1Pe 5:6 Humble yourselves therefore under the mighty hand of God, that he may exalt you in due time:
1Pe 5:7 Casting all your care upon him; for he careth for you.
If we have problems we give them to God,and let Him deal with them,so we take the worry off of us,and the stress.
2Ti 1:7 For God hath not given us the spirit of fear; but of power, and of love, and of a sound mind.
God gives us a sound mind.
Joh 14:26 But the Comforter, which is the Holy Ghost, whom the Father will send in my name, he shall teach you all things, and bring all things to your remembrance, whatsoever I have said unto you.
Joh 14:18 I will not leave you comfortless: I will come to you.
We have the Comfort of the Spirit to cause us to get through problems.
Mat 11:28 Come unto me, all ye that labour and are heavy laden, and I will give you rest.
Mat 11:29 Take my yoke upon you, and learn of me; for I am meek and lowly in heart: and ye shall find rest unto your souls.
Mat 11:30 For my yoke is easy, and my burden is light.
Php 4:7 And the peace of God, which passeth all understanding, shall keep your hearts and minds through Christ Jesus.
Joh 16:22 And ye now therefore have sorrow: but I will see you again, and your heart shall rejoice, and your joy no man taketh from you.
Cast your cares upon God,gives us a sound mind,comforts us,gives us rest unto our souls,peace that passes all understanding,and joy that no person can take away,for it is not controlled by our emotion,but by God.
This does not mean we will not run in to problems,but with God our mind will not be distraught,and confused,so there is no need to seek a mental health doctor,for our mindset,and God operating in our life causes our mind to be balanced,and not distraught,despite what we go through.
A doctor for physical problems,I would say they might need one,but a person in the truth,led by the Spirit,I cannot see why they would need a doctor for mental health problems,for their mindset with those problems will not cause their mind to be in the same condition of those that are in the world.