Water fasting should last for no more than a couple of days, and you should consult with a doctor beforehand. Among its benefits are lower blood pressure, improved insulin and leptin sensitivity, lower cholesterol levels, and weight loss. The first and most important thing is not to jump into a long session of water fasting right away. Your first experience with it should last for about 2 days. As you plan your 7-day water fasting, try to pick a low-stress time in your life. Doing this during exam season or when you're moving house isn't the best time.

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