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Intermittent fasting is a pattern or plan that includes portions of 24 hours of fasting (consuming only liquids or nothing) and eating food for other periods of the day. It is also known as using “Meal timing schedules.”
Fasting has been around for centuries. Intermittent fasting changed things from fasting in the old days and added a timing schedule and eating window to this fasting. Sporadic fasting is done with the goal of improved health and weight loss. The father of intermittent fasting is said to be Martin Berkhan of leangains.com.
This method went viral and has gained many followers over several years. Let’s explore how intermittent fasting works and learn how to start with this diet style.
The Why
Why should you get into intermittent fasting? Most people do it to lose weight or maintain a particular physique. Some fast for long-term health benefits. Many report weight loss gains and reversal or improvement of many health conditions. Others also report increased mental clarity and greater productivity in their day.
The How
The 16:8 method is currently the most popular form of intermittent fasting. leangains.com popularized this method, which entails fasting for 16 hours of the day and eating during an eight-hour “window.”
Many find it relatively easy, and the eating window is generous. Also, remember to eat healthy, nutritious food during your eating window and do not binge on junk foods.
Rules for this method include:
- Men should fast for sixteen hours and eat all the food in the other eight hours of the day, while women should fast for fourteen hours and eat food in the remaining ten hours.
- The fast starts after you’ve eaten your last meal of the day and ends with your first meal.
- There will be no food or drinks, such as coffee (coffee without sugar or creamers is okay), diet soda, or sugar-free gum, during the fasting duration.
Risks
Intermittent fasting may be too restrictive for a person with a history of disordered eating. Many people complain of hunger pangs, fatigue, or lethargy when fasting.
Do not fast for extended periods of days without eating when using this method, or you risk experiencing malnutrition. Use caution if choosing to try out intermittent fasting. Always talk to your doctor before trying a new nutrition or fitness program.
Who should avoid intermittent fasting?
- History of low blood pressure
- Difficulties regulating blood sugar or diabetes.
- Breastfeeding women
- Children
- Elderly
- Pregnant women
- Underweight
- History of eating disorders
- Taking medications that require you to take them with food
Steps To Get Started
- Choose the protocol you want to follow.
- Calculate your calories. (https://www.calculator.net/macro-calculator.html)
- Calculate your macronutrients.
- Choose a meal program that works for you.
- Train while fasting (optional) or follow a structured training plan to enhance fitness gains while utilizing intermittent fasting.
Adding intermittent fasting to your health and fitness program can help you reach weight loss goals, improve your health, and increase your productivity. Remember to start slow and gradually make changes to your diet. You will slowly adjust to the meal timing schedule as you practice this eating pattern.
Remember to listen to your body as you begin utilizing intermittent fasting. Also, remember that remaining hydrated throughout your day and eating the right nutrient-dense foods during your eating window is vital to how this plan works.
Frequently Asked Questions
Intermittent fasting can do everything from weight loss to disease prevention. Is this just a fad, or is natural science backing it up?
While research is ongoing, there’s promising evidence. Studies on animals and humans suggest IF can improve insulin sensitivity, reduce inflammation, and even boost brain health. Some studies have shown IF can extend animal lifespan, but more research is needed to confirm similar effects in humans. (Source: The New England Journal of Medicine)
There are so many IF protocols. How do I choose the one that’s right for me?
It’s a personal journey. Popular methods include the 16/8 method (16-hour fast, 8-hour eating window), alternate-day fasting, and the 5:2 diet (standard eating for five days, calorie restriction for 2). Experiment to see what fits your lifestyle and preferences. (Source: Johns Hopkins Medicine)
Is weight loss the only benefit of IF?
No! While IF can be a valuable tool for weight management, studies have linked it to improvements in heart health, blood sugar control, and cellular repair processes. Some people also report improved mental clarity and focus. (Source: Annual Review of Nutrition)
What’s the best way to break a fast?
Start slow and gentle. Avoid bingeing on junk food. Opt for easily digestible foods like fruits, vegetables, and lean proteins. Gradually increase your meal size as your body adjusts.
Can I exercise while fasting?
Yes, but listen to your body. Many people find they can maintain their workout routines while fasting. However, you might need to adjust the intensity or timing. Some research suggests IF may even enhance the benefits of exercise. (Source: Journal of the International Society of Sports Nutrition)
Are there people who shouldn’t try IF?
Absolutely. Intermittent fasting isn’t suitable for everyone. Pregnant or breastfeeding women, those with a history of eating disorders, and those with specified medical disorders should consult with a doctor before trying IF.
Is IF something I can do in the long term?
It can be, but it’s not about deprivation. IF should be viewed as a lifestyle change, not a quick fix. Finding a protocol you can stick to without feeling overly restricted is essential.
I’m struggling with hunger during my fasts. Any tips?
Distraction is critical. Stay busy, drink plenty of water, and consider herbal teas. Remember, hunger often comes in waves, usually subsiding after a while.
What’s the deal with autophagy?
Autophagy is a cellular recycling process that’s activated during fasting. It helps your body eliminate damaged cells and may play a role in disease prevention and longevity. While more research is needed, it’s a fascinating area of study. (Source: Nature)
Can IF be a spiritual practice?
For some, fasting has been used for centuries in various spiritual traditions to promote introspection, self-discipline, and connection with a higher power.
DISCLAIMER: All content on this website is presented solely for educational and informational objectives. Do not rely on the information provided as a replacement for advice, diagnosis, or treatment from a qualified medical expert. If you are pregnant, nursing, or have any preexisting medical concerns, talk to your doctor before using any herbal or natural medicines.
REFERENCES
- https://www.nejm.org/doi/full/10.1056/NEJMra1905136
- https://www.hopkinsmedicine.org/health/wellness-and-prevention/intermittent-fasting-what-is-it-and-how-does-it-work
- https://www.annualreviews.org/doi/10.1146/annurev-nutr-071816-064634
- https://www.nature.com/articles/nrm2914