His [Daniel] fast broke the power of the delayer and released the angels of God so that God's purposes could be revealed and served.
Fasting breaks the spirit of heaviness.
If you want to please God, believe God.
Fasting will also overcome sexual additions and demonic powers.
Fasting lowers your blood pressure and can lower your cholesterol.
Many times the rewards of fasting come after the fast, though from time to time answers can come during the fast.