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Understanding the power of Christian fasting

Understanding the power of Christian fasting
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Alistair Chalmers
Alistair Chalmers Pastor of Ferniehill Evangelical Church in Edinburgh.
17 August, 2026 2 min read

Let’s be honest: fasting sounds kind of strange to many Christians today, even suspicious or overly ‘religious’. It may bring to mind images of Catholic Lent traditions, or giving up chocolate in the run-up to Easter. In many evangelical circles, fasting isn’t exactly a hot topic, rarely mentioned in sermons, Bible studies, or church programs.

But here’s the thing: Jesus expected his followers to fast. He didn’t say if you fast, he said when. That should grab our attention.

At its core, Christian fasting is the voluntary giving up of food for spiritual purposes. It’s not a way to earn God’s favour or appear ‘extra holy’. It’s not spiritual performance. It’s an act of worship – an expression of humility, dependence, and desire for more of God.

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