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Q. Is it medically safe to engage in ten days of total fasting monthly taking only water


The first thing I would say is that fasting beyond a day is quite unusual in the Bible. I’m thinking here of Moses on the mountain (Exodus 34:28; Deuteronomy 9:9, 18), and Jesus fasting during His temptation in the wilderness (Matthew 4:2; Luke 4:2).

The self-righteous Pharisee boasted of fasting twice a week.

I’m not sure what spiritual benefit there is to fasting a number of days. I assume it could be unhealthy for some folks, and thus it would be good to get a doctor’s O.K.

I am thinking about Paul’s reference in 1 Corinthians 7:5 where he warns of the danger of too long a period of deprivation. I suspect the same principle might apply to fasting with food.

Isaiah 58 has some good words regarding fasting, pertaining to what we do and why we do it in our fasting.

I hope this helps,


Bob Deffinbaugh

Related Topics: Fasting

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