If you are a spiritual person, than fasting can be a double-edged sword. Not only do you reap the secular, universal benefits of fasting, but you can use it to grow closer to God. As I mentioned in the intro, the great prophets of the Bible fasted, including Jesus Christ, and believers have done the same throughout history. When we fast, we obey God. We create space in our hearts, minds, and emotions for God to speak and act. And in my experience, he often does.
Walk In Integrity
For more, see Fasting To Break Pornography Addiction And Control Lustful Behavior (4 Powerful Benefits).