Juice fasts are also used by many people, although these are not technically fasts. Juice fasts are less intensive than water fasts because the body doesn't reach the ketosis stage. The advantage of juice fasts is that fruit and vegetable drinks can supply extra energy and nutrients. People can fit a few days of juice fasting into their normal schedules without significant drops in energy. Juice fasts are also said to have cleansing and detoxifying effects. The disadvantage of juice fasts is that the body never gets to the ketosis stage, so these fasters are thought to lack the deep detoxification and healing effects of the water fast.
Yom Kippur is considered to be the most important day of the Jewish year-cycle and fasting as a means of repentance is expected of every Jewish man or woman above the age of bar mitzvah and bat mitzvah respectively. This is the only fast day mentioned in the Torah (Leviticus 23:26-32). It is so important to fast on this day, that only those who would be put in mortal danger by fasting are exempt, such as the ill or frail (endangering a life is against a core principle of Judaism). Those that do eat on this day are encouraged to eat as little as possible at a time and to avoid a full meal. For some, fasting on Yom Kippur is considered more important than the prayers of this holy day. If one fasts, even if one is at home in bed, one is considered as having participated in the full religious service.

So if both musicians and adamantium-clawed superheroes do Intermittent Fasting, it can probably work for you too, if you can make it work for your particular lifestyle and situation! If you’ve tried implementing something like this in the past and not had success, or you’re just looking for guidance from a coach to help you implement it into your lifestyle, I hear ya!
"I also discourage the idea of fasting for those who struggle with eating disorders that are making intake of food a challenge and concern in their daily living. The point of the fast is to combine it with a more intense, focused time of prayer that brings a greater communion with God, a greater empowerment of the Spirit, and a greater earnestness in your soul.”
Fasting has also been used in nearly every religion in the world, including Christianity, Judaism, Buddhism, and Islam. Many of history's great spiritual leaders fasted for mental and spiritual clarity, including Jesus, Buddha, and Mohammed. In one of the famous political acts of the last century, the Indian leader Mahatma Gandhi fasted for 21 days to promote peace.
The increase in longevity is also clearly associated with a decrease in disease states that would cut your life short, and calorie restriction is associated with a number of health improvements, including reduced visceral fat, reduced inflammation, lower blood pressure, and improved insulin sensitivity,5,6 just to name a few. Earlier research has demonstrated that calorie restriction helps extend the lifespan of animals by improving insulin sensitivity and inhibiting the mTOR pathway.
When Jesus returns, fasting will be done. It’s a temporary measure, for this life and age, to enrich our joy in Jesus and prepare our hearts for the next — for seeing him face to face. When he returns, he will not call a fast, but throw a feast; then all holy abstinence will have served its glorious purpose and be seen by all for the stunning gift it was.
Repent through fasting. Empathize with God’s grief over your sins by fasting. Engage your entire person in repentance by using your body to turn away from self-indulgence and toward God. At church, schedule some times to fast with others for group repentance, just as you all sometimes gather to feast together in celebration (at church parties, potluck dinners, etc.). Express your personal repentance through fasting at times like during Lent and Holy Week, when God seems absent from your life, and when you realize your own complicity in society’s moral wrongs.

Fasting isn't appropriate for everyone and, in some cases, could be harmful. Any person undertaking a first fast longer than three days should seek medical supervision. Those with health conditions should always have medical support during fasting. Plenty of water should be taken by fasters since dehydration can occur. Saunas and sweating therapies are sometimes recommended to assist detoxification, but should be used sparingly. Those fasting should significantly slow down their lifestyles. Taking time off of work is helpful, or at least reducing the work load. Fasters should also get plenty of rest. Exercise should be kept light, such as walking and gentle stretching.
Biblical fasting is a spiritual discipline which was encouraged by Jesus, Himself, while He was on earth. When questioned as to why the Pharisees and the disciples of John the Baptist fasted while Jesus disciples did not, Jesus answered, "How can the guests of the bridegroom mourn while he is with them? The time will come when the bridegroom will be taken from them; then they will fast” (Matthew 9:15).
You can still get great benefits while sneaking in a cup of coffee however if you want optimal results nothing should enter your stomach other than water while fasting. Not even meds. One of the reasons that the intermittent fasting is so effective is that the enzymes in your gut are allowed to rest. Your 8 hour window should start as soon as anything other than water is ingested which includes coffee. Again, that is the strict answer but you can certainly still get good benefits even if you have your coffee during your fast
The struggle is real at times to not to eat especially since food is so much a part of my life. In the moments were I am craving a pizza or chips is when I have to pray and listen to gospel music. Then I begin praise and worship and the Lord strengthens me and revitalizes me. It will not be easy these 21 days but when you are totally dependent on God He will definitely bring you through.

Studies on every-other-day fasting show mixed results. One published in 2010 in the Nutrition Journal suggested that the technique was effective among a group of obese patients. A group of 16 participants ate only one meal – lunch – every other day, and they were limited to about 500 calories. That's the same amount of calories women consume on the Fast Diet's fasting days. On the days when the study participants were not fasting, they were not constrained to any rules. Over the course of eight weeks, the participants lost an average of 12 3/10 pounds.


Time-restricted eating is pretty simple to implement. If you finish dinner at 7 p.m., for instance, you wouldn’t eat anything again until at least 7 a.m. If you wanted to take it further, you’d extend the no-eating time until about 11 a.m. or 12 p.m. Because you’re sleeping for a large chunk of the “no eating” time, this is a good way to introduce fasting into your lifestyle and experiment without any major changes.
Whether you are considering a 12-hour fast, a two-day fast, or a daily low calorie fast, you should talk to your doctor before beginning a new eating regimen. Certain medical conditions may get worse with sudden changes in diet and some medications are affected by changing the foods you eat. A doctor can help you weigh the possible benefits and consequences of a fast to see if it’s right for you.
Fasting is always practiced prior to surgery or other procedures that require general anesthesia because of the risk of pulmonary aspiration of gastric contents after induction of anesthesia (i.e., vomiting and inhaling the vomit, causing life-threatening aspiration pneumonia).[1][2][3] Additionally, certain medical tests, such as cholesterol testing (lipid panel) or certain blood glucose measurements require fasting for several hours so that a baseline can be established. In the case of a lipid panel, failure to fast for a full 12 hours (including vitamins) will guarantee an elevated triglyceride measurement.[4]
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