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To lose weight, some choose to bet on what is called water fasting. The principle: consume only water for several days and no food. Please note that this practice is not without risk. A new study conducted in Chicago has proven that if water fasting can be effective in losing weight, in the long term, weight regain is guaranteed!

Today the different types of fasts have many followers. However, not all of them are safe for health. A news study published within Nutrition Reviews and conducted by the University of Illinois at Chicago, warns us of the effects of water fasting.

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Water fasting consists of remove all solid foods and consuming only water or juice for several days. It should not be confused with intermittent fasting which only lasts a few hours a day.

Water fasting enthusiasts thus hope lose weight and revive the digestive system by depriving the body of food for a period of time.

If the effects on weight are relatively flagrant and fast, the researchers warn us: you risk regaining the lost weight at the end of the fast. As for the other metabolic benefits of water fasts, such as lower blood pressure and improved cholesterol, they seem to disappear soon after the fast ends, the scientists add.

Once the water fast was over, they regained all the weight

You can try it, but it’s a lot of work for fast-vanishing metabolic benefits. said Krista Varady, a professor of kinesiology and nutrition who led the research.

She adds that no one should undertake any of these fasts during more than five days without medical supervision.

Water fasting appears to result in noticeable weight loss in short term, confirmed the researchers. People who fasted for five days lost about 4 to 6% of their weight ; those who fasted for seven to 10 days lost about 2% to 10%, and those who fasted for 15 to 20 days lost 7% to 10% of weight.

The most common side effects of these extended fasts were headaches, insomnia, and hunger.

However, once the water fast is over, they got back everything they lost. It was also apparent that the metabolic benefits of water fasting disappeared soon after it ended. THE improvements in blood pressure, of cholesterol and some blood sugar have been from short durationrapidly returning to baseline levels once participants resumed eating.

To lose weight over the long term, the researcher recommends intermittent fasting

Krista Varady encourages people who need to lose weight to try intermittent fasting instead of water fasting. “ There is much more data that proves the effectiveness on weight loss “, she said.

The effects of intermittent fasting are durable because this way of eating is sustainable over the long term. The best known form is 16/8: 8 hours a day to eat and 16 hours to fast. Intermittent fasting does not require you to cut out foods: you can all eat outside the fast. You can adopt this form of fasting regularly without being too strict. This will allow you to have long-lasting results.

Water fasting is impossible to sustain in the long term, since it involves removing all foods. This explains the weight regain over time.

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