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A 'fast' is a self-imposed period of time without food. This is a centuries-old religious practice observed in order to increase focus and show self-discipline and commitment to prayer.

Lately nutritionists and scientists have found that religious texts may have also provided us with the most powerful diet and health tool around too.

Intermittent fasting is a diet protocol which involves regular scheduled fasts - usually for 24 hours at a time - in order to lose weight.

Why and how does it work?

1. You eat fewer calories

Why and how does it work?

Yes, as much as this sucks, if you want to lose weight you probably need to lower your calorie intake. The normal procedure for this is to eat less at each meal.

Intermittent fasting achieves the same thing by essentially eliminating two meals from the diet entirely.

So if you do one 24-hour fast per week you are eating 19 meals instead of 21 - thus lowering your calorie intake by around 10%.

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