While a three day fast is an excellent option and can fit nicely into a weekend, there are other standard lengths. Give careful consideration when deciding how long to fast.
If you've never fasted before, a commitment of a day or less is easier to accomplish and will familiarize you with the process. Use that first experience to learn what your body's particular reactions are. Every body is unique. You need to learn about yours.
Keep in mind that the time commitment is longer than the actual fast. There are the transition periods both before and after, during which you ease away from your full diet and then ease back toward it.
The length of your transition periods can be based upon the length of the fast. You would take half the number of days of the fast for each transition period, essentially doubling the number of days between start and finish. So a 10 day fast would then require 20 days of attention and commitment from you. A three day fast would take 6.
Many feel 4 days is sufficient transition for both before and after any length fast. This assumes, however, that you are embarking on a new healthier eating plan, and not delving straight into junk food on the 5th day.
For a three day fast, you'll want to allot at least a day before and a day after. One day fasts can be begun with a light dinner the night before. Although, keep in mind that the longer you spend acclimating your body beforehand, the easier (more comfortable) your fast will be.
I've spent 5 days cleaning up my diet and scaling back portions for just a one day fast. It occurred more by happenstance than by design, but the day long fast was so much more comfortable and enlightening. And I enjoyed the mental/emotional and spiritual benefits of fasting much longer afterward.
Length of time for a fast should always be the length that is right for you at the time. Remain flexible. Of course you'll have a goal in mind when you begin, but don't be too inflexible to end the fast should your body signal. Severe pain and discomfort may mean you have attempted too much, too soon. You can back off a bit, eating a small piece of fresh fruit for now, and consider spending some time on a cleansing diet before your next fast.
Be careful not to fast too frequently; allow your body sufficient time to rebuild nutritional reserves. Two days per week is too frequent, as is one week every month. Recommended fasting times for regular, occasional "maintenance" and rebalancing are one day per week and/or 3 days per month and/or 10 days yearly.
While these are the most common lengths for fasting, any amount of time can be chosen, depending on your particular situation.
According to the Balchs' book, Prescription for Nutritional Healing, considered by many to be a modern-day bible on natural health and healing, different length fasts accomplish different things:
More stringent guidelines recommend you have supervision by a fasting professional whenever attempting a fast longer than 3-5 days. Looser guidelines suggest that up to 10 days is ok for the partial fasts that include some nutrition.
For water fasts, however, you should have supervision before attempting a fast longer than 3 days due to rare problems that can occur. See the water fasting page for the particulars on water fasts.
For fasting supervision, the International Association of Hygienic Physicians (IAHP) is an organization of primary care physicians who are trained in fasting supervision. They must pass certification standards that include a six-month internship. See here for their home page: http://www.iahp.net
Fasting without supervision means you must watch any detox symptoms carefully, and don't push yourself. Ease up or end the fast if symptoms become severe. Don't let anyone convince you to continue since it's "for your own good"; your first responsibility is to yourself so you must listen to your own guidance.If you have significant medical conditions, consider going on a fasting retreat where you would get constant personal attention. Someday soon I hope to provide more information on these retreats.
When deciding, say, between a three day fast and a ten day, consider your lifestyle and commitments. How much of yourself can you realistically commit at this time? Longer fasts take more than just greater length of time, they'll require greater support and understanding from family and friends and greater awareness on your part of your body's reactions.
Plan on doing longer fasts when the time is right and you can be truly devoted to the process, instead of trying to squeeze them into a too busy life. Fasting of any length should be approached as an inner experience if you want to gain the greatest benefit.
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