Hari AUM...My dear friend Yes the Prayer does work.. I am quoting some write ups on Prayer
Power of Prayer

We meditate upon the glorious splendour of the Vivifier divine May he himself illumine our minds. - Rig Veda.

Lord says ‘Call on me ; I will answer your prayer ’. – Quran.

Cast your burden on the Lord, and he will sustain you. - Psalm 55.22

When we pray alone to God, shedding tears we will not feel lonely; God is surely with us. – Sun Myung Moon.

Prayers to the Deity accompanied by monetary gifts secured by injustice are sure not to be granted. Pray in all righteousness and the Deity will be pleased to listen to your supplication. Foolish is he who, in impatient eagerness and without following the path of righteousness, hopes to obtain divine protection. – Shinto Uden Futsujosho.

Daily prayer and meditation are all wonderful therapeutic agencies in building up peace and happiness within individual. – Swami Chinmayananda.

A heart felt prayer is not a recitation with the lips. It is a yearning from within which expresses itself in every word, every act and every thought of man. – Mahatama Gandhi.

Prayer is the most powerful energy one can generate. It is a force as real as terrestrial gravity. - Alexis Carrel.

When a person responds to joys and sorrows of others as they were his own, he has attained the highest state of spiritual union. -Bhagavat Gita VI.32.
Hari AUM
Dr. Vyas