3 Bible Verses about Fasting, Reasons For

As day was about to dawn, Paul urged them all to take some food, saying, "Today is the fourteenth day that you have been in suspense and without food, having taken nothing.

Now in the church that was at Antioch there were prophets and teachers: Barnabas, Simeon who was called Niger, Lucius of Cyrene, Manaen who had been brought up with Herod the tetrarch, and Saul. While they were worshipping the Lord and fasting, the Holy Spirit said, "Set apart for me Barnabas and Saul for the work to which I have called them." Then after they had fasted and prayed, they laid their hands on them and sent them off.

When it was day, the Jews formed a conspiracy and bound themselves by an oath neither to eat nor drink until they had killed Paul. There were more than forty who formed this plot.