Make personal choices about your plan, and stick to it. Fasting is usually a personal decision, showing repentance, humbling, or desire for God's intervention, or an act toward self-discipline. So to put too many laws on a gesture takes away from that expression.
There were times in scriptures where leaders declared a community fast, and those were probably no-food fasts.
1Ki 21:12 2Ch 20:3 Ezr 8:21 These accompanied continual prayer, wailing, repentance, and humbling themselves with sackcloth and ashes.
This set of links shows some of the motivation and attitudes accompanying fasting:
Interlinear Study Bible on StudyLight.org (search fast)
Never give up drinking water, because a human dies without it. A person will also die, going without food for a month.
THere was an example in scriptures of someone not drinking three days
Es 4:16, but it was a last-ditch effort " and if I perish, I perish." Do not try that at home.
If you are diabetic, hypoglycemic, on medication, with heart problems, under 12... take into consideration the real needs of the body in contrast with the imagined needs.
Interlinear Study Bible on StudyLight.org (search fasting)
