Jimmy Kimmel lost 25 pounds on the 5:2 diet, eating fewer than 500 calories on Mondays and Thursdays then eating whatever he wants the rest of the week. Actor Benedict  Cumberbatch also lost on the 5:2 diet while Hugh Jackman had a different intermittent fasting schedule. Each day he ate during an eight hour period but fasted for the remaining 16 hours. Is this just a Hollywood fad or are there real benefits to intermittent fasting?
In particular, consider fasting together with your family, small group, or church. Do you share together in some special need for God’s wisdom and guidance? Is there an unusual difficulty in the church, or society, for which you need God’s intervention? Do you want to keep the second coming of Christ in view? Plead with special earnestness for God’s help by linking arms with other believers to fast together.
Yes, by cutting out an entire meal each day, you are consuming fewer calories per week – even if your two meals per day are slightly bigger than before. Overall, you’re still consuming fewer calories per day. This is highlighted in a recent JAMA study[b] in which both calorie restricted dieters and intermittent fasters lost similar amounts of weight over a year period.
Zero-calorie beverages are okay.  I drink green tea in the morning for my caffeine kick while writing. If you want to drink water, black coffee, or tea during your fasted period, that’s okay.  Remember, don’t overthink it – keep things simple! Dr. Rhonda Patrick over at FoundMyFitness believes that a fast should stop at the first consumption of anything other than water, so experiment yourself and see how your body responds.

Hi adrian, my height is abt 5'5ft and i weigh about 202lbs.I would like to lose my weight by working out as i live in hostel and also unable to follow diet.I used to follow my calorie tracking using Healthify app but stopped now.. Could you please recommend me to what workout i should do . I would like to lose 6-7 kgs for the first month .I am following your videos but i am confused which one to follow..I followed your 5 lbs in a week video for a couple of days and felt like burning fat and now i am seeking for your suggestion
Those fasting may experience side effects of fatigue, malaise, aches and pains, emotional duress, acne, headaches, allergies, swelling, vomiting, bad breath, and symptoms of colds and flu. These reactions are sometimes called healing crises, which are caused by temporarily increased levels of toxins in the body due to elimination and cleansing. Lower energy levels should be expected during a fast.
Worried about losing muscle if you fast? Maybe this will put your concerns to rest: a single 24-hour fast increased human growth hormone (HGH) by 2000% in men and 1300% in women.[2]  HGH plays an integral role in building muscle. Boosting your levels this high will have huge effect on your physique. Research shows that higher levels of HGH leads to lower levels of body fat, higher lean body mass and improved bone mass.[3]

When we fast and pray, God teaches us how to share with those who have physical and spiritual needs. “Is it not to share your food with the hungry and to provide the poor wanderer with shelter—when you see the naked, to clothe him, and not to turn away from your own flesh and blood?” (Isa. 58:7 NIV). The book of Proverbs complements this passage by reminding us that when we give to the poor, we lend to the Lord. Fasting and prayer put the self-life into perspective. You are never more like God than when you give. Prayer and fasting can build within you the character to give. Giving is a joy, and we need to be willing to pour ourselves out to those who can do nothing for us in life. We need to be willing to pour out ourselves to anyone, anytime, anywhere. This is the heart of Jesus, and it needs to be our heart. Prayer and fasting build within you the power to give.
Never forget that the fruit of the tree of the knowledge of good and evil was the knowledge of good and evil. There was an element of good in that fruit, not just evil. The devil told Eve specifically that the fruit of the tree was "good for food, and that it was pleasant to the eyes" (Gen. 3:6). All Eve had to do was look to see that the fruit was pleasant. She made a bad assumption, however, that what was visually pleasant would also be "good for food." In that, the devil was very wrong!
Pros: While 24 hours may seem like a long time to go without food, the good news is that this program is flexible. You don’t have to go all-or-nothing at the beginning. Go as long as you can without food the first day and gradually increase fasting phase over time to help your body adjust. Pilon suggests starting the fast when you are busy, and on a day where you have no eating obligations (like a work lunch or happy hour).
Intermittent fasting also has a number of added benefits over strict calorie restriction. For starters, it's a lot easier to comply with, and compliance is everything. The calorie restriction route is also extremely dependent on high quality nutrition — you want to sacrifice calories without sacrificing any important micronutrients — and this can be another hurdle for many who are unfamiliar with nutrition and what actually constitutes a healthy diet.
The fasting periods were often called ‘cleanses’, ‘detoxifications’, or ‘purifications’, but the idea is the same – to abstain from eating food for a certain period of time for health reasons. People imagined that this period of abstinence from food would clear their bodies’ systems of toxins and rejuvenate them. They were more correct than they knew.
Among the Western religions, only Zoroastrianism prohibits fasting, because of its belief that such a form of asceticism will not aid in strengthening the faithful in their struggle against evil. The other Western religions—Judaism, Christianity, and Islam—emphasize fasting during certain periods. Judaism, which developed many dietary laws and customs, observes several annual fast days, primarily on days of penitence (such as Yom Kippur, the Day of Atonement) or mourning. Christianity, especially Roman Catholicism and Eastern Orthodoxy, has observed a 40-day fast period during Lent, a spring period of penitence before Easter, and during Advent, a penitential period before Christmas. Among Roman Catholics the observance has been modified since the Second Vatican Council (1962–65) to allow greater individual choice, with mandatory fasting only on Ash Wednesday and Good Friday during Lent. Protestant churches generally leave the decision to fast to individual church members. The month of Ramadan in Islam is a period of penitence and total fasting from dawn to dusk.
Biblical fasting brings us into a closer union with God. While our bodies are being deprived for the purpose of drawing near to God, He has promised in return to draw near to us. This is a spiritual certainty. As we decrease, the Spirit increases. As individuals we are strengthened and renewed. “...Though outwardly we are wasting away, yet inwardly we are being renewed day by day” (2 Corinthians 4:16).
When I started intermittent fasting, I spent a lot of time thinking about how I wasn’t eating. I would think about how hungry I was, and then, when it came time to break my fast, I would eat more than a regular dinner, thinking I deserved it after having fasted all day. This is how people fail at intermittent fasting. It took me about two weeks to figure it out.
The Hebrew verb sum [Wx] is the only one used to describe fasting as a religious exercise. It (and its cognate noun som [/x]) conveys the explicit meaning "to abstain from food" and thus occurs regularly as a technical religious term. The Greek verb nesteuo [nhsteuvw] and its companion noun nesteia [nhsteiva] occur consistently in the Septuagint as translations of Hebrew sum [Wx] and som [/x] and as the usual terms for fasting in the New Testament.
Discipline your body through fasting. When you become especially aware of your own sins and weaknesses and your resulting need for God’s grace, consider fasting as a way to learn discipline that will help you grow. If you discipline your body through fasting, your spirit will follow, and you’ll grow closer to God – which will transform you into a more loving and holy person. Routinely schedule one or two days each week to fast. Use the time to respond physically to the reality of a broken world, the presence of sin in your life, and your yearning for more love and holiness. But beware of using fasting as a weapon to battle your body’s appetites. Remember that food isn’t an evil to be battled; it’s a good gift from God that you’re simply choosing to refrain from for a time in order to focus on responding to a sacred moment.

Jesus was indicating that fasting would become a necessity when, the bridegroom (Jesus) was taken away. While Jesus, who was God manifested in human form, was still on earth, His followers enjoyed a close fellowship and friendship with Him. Jesus bestowed power and authority on them to the extent that they had limited power to preach, heal the sick, and cast out devils. Similarly, when Jesus sent them out to minister to the populace, He instructed them to take few provisions. “Then Jesus asked them, ‘When I sent you without purse, bag or sandals, did you lack anything?’ ‘Nothing,’ they answered. He said to them, ‘But now if you have a purse, take it, and also a bag; and if you don't have a sword, sell your cloak and buy one’” (Luke 22:35-36).


I recently got in touch with Kane, a reader who’d emailed me in the past, to hear about his experience with fasting because I’ve been noticing the buzz growing louder lately. Famous enthusiasts include reality TV star Kourtney Kardashian, musician Moby, and model Molly Sims. Actor Chris Pratt has been Instagramming about his Bible-based fast. In the media world, New York Times economics columnist Paul Krugman and MSNBC host Chris Hayes have mentioned their fasting routines. Over the past couple of decades, as dozens of diets and weight management schemes have come in and out of fashion, fasting has steadily gained popularity.


If these extended periods without delicious food sound too painful to handle, rest assured: The best available evidence indicates that a regular ol’ diet is at least as safe and healthy and efficacious as intermittent fasting. Besides, sooner or later, a shiny new fad is bound to come along for the A-listers to fawn over, she says: “There’s going to be a new darling of the month before you know it.”
This is the same as the 8-to-6 window plan, but you are extending your fasting time an extra four hours. I personally practice this plan during the workweek. I'm not a breakfast person, so I just enjoy a few cups of herbal tea to start my day. With this plan you will be eating only between the hours of 12 p.m. and 6 p.m. for a full 18 hours of fasting within a 24-hour period.
Some of this newly created fat is stored in the liver, but most of it is exported to other fat deposits in the body. While this is a more complicated process, there is no limit to the amount of fat that can be created. So, two complementary food energy storage systems exist in our bodies. One is easily accessible but with limited storage space (glycogen), and the other is more difficult to access but has unlimited storage space (body fat).
Intermittent fasting has been most extensively studied in volunteers who are obese or overweight. Those who restricted their calories to 2 days a week lost more fat. The benefits in people who are not overweight are less clear because there have been fewer studies. In one experiment, a number of fit young men were asked to practice intermittent fasting without losing weight for a few weeks. During that time they saw improved insulin sensitivity, a marker for reduced diabetes risk.

Fasting ramps up your stem cell production.[6] Stem cells are like biological playdough — your body turns them into any kind of cell it needs and uses them to replace old or damaged cells, keeping you younger on a cellular level. Stem cells are great for your skin, joints, old injuries, chronic pain, and more. You can try stem cell therapy…or you can just fast.
Autophagy is spring cleaning for your cells. It’s Latin for “self-eating,” which is spot-on: when autophagy turns on, your cells sift through their internal parts, get rid of anything that’s damaged or old, and install shiny new versions.[8] Autophagy is like a tune-up for your car: afterward everything runs more smoothly. It reduces inflammation and even boosts longevity. Intermittent fasting triggers, to quote researchers, “profound” autophagy, especially in your brain.[9]
All three types offer the same fat-burning benefits of intermittent fasting. The real differences are just in how long you’re fasting and what you’re allowed to eat during the fast, Varady says. On both whole-day fasting and alternate-day fasting, for example, you consume 500 calories per fast day to spark fat loss but maintain muscle. During time-restricted feeding, however, you’re consuming zero calories during your fast period (water and tea, for example, are allowed). In all types, you’re free to go hog-wild during the feeding window—though, obviously, all nutritionists would recommend you ditch the junk and stick to healthy fare.

According to Scripture, personal experience and observation, fasting and prayer can also effect change on a much grander scale. I am convinced that when God's people fast with a proper biblical motive – seeking God's face not His hand – with a broken, repentant and contrite spirit, God will hear from heaven. He will heal our lives, our churches, our communities, our nation and world. Fasting and prayer can bring about a change in the direction of our nation, the nations of earth and the fulfillment of the Great Commission - this is powerful motivation in today’s unsettled world..
As I began my fast, I was not sure I could continue for forty days. But my confidence was in the Lord to help me. Each day His presence encouraged me to continue. The longer I fasted, the more I sensed the presence of the Lord. The Holy Spirit refreshed my soul and spirit, and I experienced the joy of the Lord as seldom before. Biblical truths leaped at me from the pages of God's Word. My faith soared as I humbled myself and cried out to God and rejoiced in His presence.
How It Works: Fast for 24 hours once or twice per week. During the 24 hour fast, which creator Brad Pilon prefers to call a “24 break from eating,” no food is consumed, but you can drink calorie-free beverages. After the fast is over, you then go back to eating normally. “Act like you didn’t fast,” Pilon says. “Some people need to finish the fast at a normal mealtime with a big meal, while others are OK ending the fast with an afternoon snack. Time it however works best for you, and adjust your timing as your schedule changes,” he says.
No, it's not a cure-all for creaky joints, wrinkled skin, or brittle hair, but IF prompts an increase in human growth hormone (HGH), which promotes cellular repair, says Foroutan. She explains that not eating for several consecutive hours creates a slight stress on your cells' mitochondria (the energy powerhouses), which gives them a nudge to rev up their functioning. IF might also be helpful for brain health; animal studies suggest that this eating pattern might serve to ward off age-related cognitive decline.
Hi I work really crazy hours, mostly over night. How am I able to do this correctly when it’s hard for me to keep a regular eat and fast regimen when I sleep a lot during the day. And my schedule at work can be all over the place not just one set time frame. I would really like to try this but I need some help trying to figure out time frames that can fit my schedule.
1) A soul cleansing. How often we forget that our bodies are the temple of the Lord—especially when deciding what to eat! Fasting is a great time to remember the spiritual connection we have to our physical bodies. Without the toxins we put in our bodies, we not only give our bodies a break from the digestive process, but we also allow our spirits to be detoxed.  Fasting is a faith-move, an expectation we have that God will fill us with His Holy Spirit, just as He promised. But as Christ told His disciples, “[N]o one pours new wine into old wineskins. Otherwise, the wine will burst the skins, and both the wine and the wineskins will be ruined. No, they pour new wine into new wineskins." By fasting, we meditate cleanses the soul and makes it new so we can receive the Holy Spirit and become empowered to live for Christ in a new way.
Annie, I have to take my anticonvulsants at 12 hour intervals as well. I’ll be taking them with water in the am. I won’t be eating till 10 am and I will restart my fast after 6 pm. Just starting today. Hoping to to kick my ketosis into high gear. Very optimistic. We all have things we have to work around and deal with, this is one of mine. Keto is for me and I think IF is too. Keep you posted.
It doesn't matter when you start your 8–hour eating period. You can start at 8am and stop at 4pm. Or you start at 2pm and stop at 10pm. Do whatever works for you. I tend to find that eating around 1pm and 8pm works well because those times allow me to eat lunch and dinner with friends and family. Breakfast is typically a meal that I eat on my own, so skipping it isn't a big deal.
This is the same as the 8-to-6 window plan, but you are extending your fasting time an extra four hours. I personally practice this plan during the workweek. I'm not a breakfast person, so I just enjoy a few cups of herbal tea to start my day. With this plan you will be eating only between the hours of 12 p.m. and 6 p.m. for a full 18 hours of fasting within a 24-hour period.
Secular Music Fast: Instead of listening to Top Hits on the radio, you can choose to listen to the Christian radio station for a period of time. Pop in a CD of your favorite worship leader when you're driving to work. Listen to a Christian podcast or audiobook. You can even turn the stereo off completely and spend that time in prayer. You'll be amazed what this little change will do for your life. 
3 days in a 16:8 ration – my body loves it. I don’t feel famished and look forward to my 8 hrs of eating window. I keep calories in check with a healthy balanced diet. My exercise begins after my last hour of fasting, I eat a few fruits (mango and raspberries) and an avocado (topped with a homemade crushed walnut dressing) and I’m good to lift weights and run. My body feels light and healthy. Amazing solution to any fitness junky.

The very simple and direct conclusions I draw are these: First, if the Bible teaches us to do something, I want to do it. I want to obey the Lord in every way that He commands me to obey Him. And second, if fasting and praying are means to a breakthrough that God has for me, I want to undertake those disciplines so I might experience that breakthrough!
Hey! I've been following this site for a while but I'm so busy that I've never been able to get around to a lot of this. I'm a 17 year old female in high school, and I take college level classes and work a lot after school, so I'm constantly busy between work, homework, and school itself. I also lack willpower a lot, which I think is why I struggle to lose weight so much. With such a busy schedule and such little willpower, what do you think would be the best way for me to lose weight and rather quickly (though healthily)? I'm 5'5 and I weigh 240 pounds.
Body mass index, or BMI, uses height and weight to determine how healthy a person’s weight is. (To calculate, multiply weight in pounds by 703, divide by height in inches, then divide again by height in inches.) Though it doesn’t measure body fat, BMI has been shown to correlate closely with metabolic and disease risks. In general, health risks rise for people with BMIs of 30 and above or below 18.5.
When obese people structured their schedule so that they fasted for 16 hours a day, but were free to eat whatever they wanted in the other eight hours — known as the 16:8 diet, or time-restricted feeding — they modestly lost weight and lowered their blood pressure after 12 weeks on the regimen, a new early study published in the journal Nutrition and Healthy Aging found.
Where diets complicate life, fasting simplifies. Where diets are expensive, intermittent fasting is free. Where diets can take time, fasting saves time. Where diets are limited, fasting is available anywhere. Where diets have variable efficacy, fasting has unquestioned efficacy. There is no more powerful method for lowering insulin and decreasing body weight.
“There’s really no conclusive evidence that there’s any benefit,” Sasson says. The German Cancer Research Center study qualified its findings by noting that the positive results weren’t noticeably better than those experienced by subjects who adopted a conventional calorie-reduction diet. In other words, it works, but not notably better than the alternative. (Sasson also offered a helpful list of individuals who should not give intermittent fasting a try: pregnant women and anyone with diabetes, cancer, or an eating disorder.)

To summarize this experiment, I will be following the ketogenic diet for 90-days without taking a break. I will also be fasting for 24hrs on Mondays, Wednesdays, and Fridays. By the end of each 24 hours, I will workout and cap it off with a keto meal that only has 25 grams of carbs and a load of fat. On Tuesdays, Thursdays, Saturdays, and Sundays, I will be eating 3–4 meals.
While the idea of fasting can be overwhelming, especially if you haven’t done it before, intermittent fasting can actually be a lot easier than many other types of eating plans. Since you are fasting for time restricted chunks of the day, you’ll be eating less food, which eliminates a lot of the stress around having to meal prep. During the periods of time in which you're eating, you’ll still want to focus mainly on healthy fats, clean protein, and carbohydrates from whole food sources—but this isn’t an excuse to hit the drive-thru and load up on sugar the rest of the time! Here are some of the effects of intermittent fasting:
For members of The Church of Jesus Christ of Latter-day Saints, fasting is total abstinence from food and drink accompanied by prayer. Members are encouraged to fast on the first Sunday of each month, designated as Fast Sunday. During Fast Sunday, members fast for two consecutive meals (24 hours); this is usually Sunday breakfast and lunch, thus the fasting occurs between the evening meal on Saturday and the evening meal on Sunday. The money saved by not having to purchase and prepare meals is donated to the church as a fast offering, which is then used to help people in need.[79] Members are encouraged to donate more than just the minimal amount, and be as generous as possible. The late LDS President Gordon B. Hinckley asked: "Think ... of what would happen if the principles of fast day and the fast offering were observed throughout the world. The hungry would be fed, the naked clothed, the homeless sheltered. … A new measure of concern and unselfishness would grow in the hearts of people everywhere."[80] Fasting and the associated donations for use in assisting those in need, are an important principle as evidenced by Church leaders addresses on the subject during General Conferences of the Church, e.g. The blessing of a proper fast in 2004, Is Not This the Fast That I Have Chosen? in 2015
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