It obviously becomes starvation when it is not done with prayer, meditation God's Word, Worship...
Here we go,
1. To receive instructions from God. (Acts 13:2)
2. To appropriately serve God. (Luke 2:37)
3. It is in the will of God for us to fast. (Matt. 6:16-18) Jesus taught about it.
4. To discipline our soul. (Psa. 69:10)
5. To draw closer to God and oppose evil spiritual forces (Joel 2:12; Jugd. 20:26-27)
6. Gain revelation knowledge of God's will. (Dan. 9:3, 21-22)
7. Help during severe trials. (Acts 27)
BONUS: Try to fast at least once a week, so that you may grow and mature in Spirit. Fasting doesn't kill.
