The Beginner’s Guide To Intermittent Fasting for Fat Loss

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As a freelance writer specializing in natural health and wellness content, I thought that I’d heard of every weight loss method that exists today. That is, until I was contacted by a client with a product line based on the benefits of intermittent fasting.

Intermittent fasting? I thought. What’s that? I’d heard of fasting in general, and not very good things about it honestly, but the phrase “intermittent fasting” had never crossed my desk.

I became insanely curious, which is when I set out to discover every piece of information I could find on this type of weight loss program. At the end of it all, I’m super impressed with the science that backs up this way of eating (or not eating, as the case may be), so much so that I’ve even added it into my own life and feel better as a result.

So, what is intermittent fasting and what does it do for you? If you decide that it’s right for you, how do you incorporate it into your life? Let’s go into all of that now.

What Exactly is Intermittent Fasting?

Intermittent fasting essentially involves giving your body elongated periods of time without food. Depending on your chosen intermittent fasting eating pattern or schedule (which we go into below), this could range from 14 hours to entire days with no meals or snacks.

The theory behind fasting is that it takes your body 10-12 hours after your last food intake for it to use all of the glucose (energy) that has been stored in your liver. Once that’s gone, your body converts to burning fat as its primary energy source.

Not only does this enable you to lose weight, but it also has a positive effect on your health at a cellular level. How does it do that? To make a rather complex process kind of simple, intermittent fasting basically helps your body effectively get rid of damaged cells so they aren’t able to wreak havoc on your body by way of disease.

Intermittent Fasting is Rooted Deeply in History

Although many people think that intermittent fasting is a new phenomenon – like I did since I’d never heard of it before – it’s actually been around for ages.

In fact, in his book titled The Obesity Code: Unlocking the Secrets to Weight Loss, author and intermittent fasting expert Dr. Jason Fung explains how going longer periods without food can be found as far back as Hippocrates, who was born in B.C. times, as he often prescribed fasting for his ill patients. He also once wrote, “To eat when you are sick, is to feed your illness,” confirming his belief that fasting was preferable if you weren’t feeling well.

Ancient Greeks were believers in fasting as well, according to Dr. Fung, as were some more recent, but long since gone influential figures in American history. Benjamin Franklin was one of them, once writing, “The best of all medicines is resting and fasting.”

Fasting can also be found in a number of different religions, as part of a spiritual practice. Therefore, it’s been around an extremely long time and longer than some may think.

What are The Benefits of Intermittent Fasting?

Based on these types of “not eating is healing” statements, you may be wondering exactly what types of benefits intermittent fasting has to offer. Research has found many associated with intermittent fasting, and they include:

  • Lasting Weight (and Fat) Loss. One two-year study conducted by the University of Southern California (USC) involved placing 100 people on a fast-mimicking diet for a period of three months. The result? The participants lost an average of six pounds and dropped 1-2 inches of fat off their waists.
  • Lower Cholesterol Levels. This same USC study also found that fasters experienced positive benefits with regard to their cholesterol levels too. Studies conducted by the Intermountain Medical Center in Murray, Utah have found similar results, explaining how the fasting process “converts bad cholesterol in fat cells to energy.”
  • Healthier Blood Sugar Levels. Another USC study found that fasting “promotes the growth of new insulin-producing pancreatic cells that reduce symptoms of type 1 and type 2 diabetes.” While that study was actually conducted on mice, a 2005 study conducted on humans found the same positive insulin response.
  • Improved Brain Function. Mark Mattson, professor of neuroscience at Johns Hopkins School of Medicine and chief of Laboratory of Neurosciences at the National Institute of Aging, has conducted studies on intermittent fasting and found that it can have a positive effect on both current and future brain function. Specifically, Mattson has connected fasting with better moods and greater memory recall while, at the same time, reducing one’s risk of brain-based conditions such as Alzheimer’s and Parkinson’s.
  • Cancer-Associated Benefits. Some animal studies have found evidence that fasting can reduce cancer risk. Other studies have reported that, for individuals who have cancer and are undergoing chemotherapy, fasting can help alleviate some of the negative side effects of this particular treatment method, namely issues relating to feeling tired and weak.
  • Increased Longevity. Intermittent fasting appears to lengthen life span as well with one study involving rhesus monkeys (which are genetically similar to humans) finding that the control group “had almost twice the rate of death” as monkeys subjected to a 30 percent caloric restriction.

A few other benefits reported by intermittent fasters, but which are not necessarily backed by science, are cavities which seem to just disappear, asthma that’s easier to control, joints which hurt less, and a greater overall feeling of calmness.

Some fasters also report that they like the feeling of control that fasting provides when it comes to food intake, that they have fewer issues with belly bloat, and they like not having to worry about meal planning or the expense associated with eating three meals a day.

What are The Disadvantages of Intermittent Fasting?

While there are many advantages to intermittent fasting, there are also some potential negatives to think about too. Some of the most common physical complaints I found in various intermittent fasting social media threads were:

  • Fighting feelings of ravenous hunger, especially in shorter fasts.
  • Dizziness issues and lightheadedness.
  • Nausea.
  • Headaches.
  • Diarrhea and gastrointestinal distress.
  • Thinning hair.
  • Hormonal changes (in women).
  • Energy issues, especially if exercising.
  • Binge eating episodes.

Some fasters also expressed displeasure about how hard it was to fast in a world surrounded by food, the difficulties associated with family members who don’t understand or appreciate fasting, and trying to plan fasts around events that are largely food-focused (like birthdays and holidays).

Intermittent Fasting Eating Options

In the broad sense, intermittent fasting involves going extended periods of time without food. However, there are a few different ways you can do this. Some of the most popular intermittent fasting schedules are:

  • 16:8 – This method of fasting involves giving yourself an 8-hour eating window in every 24-hour period. For instance, you may choose to eat only between 11 AM and 7 PM daily or between the hours of 2 PM and 10 PM, fasting the remainder of the time. There are also some variations of this time frame, such as 15:9, 14:10, or even 20:4, with the general idea being to go at least 12 hours without food, more if you can do it.
  • 5/2 – Fast according to the 5/2 model which means that you put your body in a fasting state five days a week while eating normally (but preferably healthy) the other two days of the week.
  • 24-Hour Fasts – A third intermittent fasting option consists of going a full 24 hours without food, whether just one day per week or for several days in a 7-day time frame. For instance, some people eat normally on weekends, then fast on alternate days throughout the week.

How To Successfully Incorporate Intermittent Fasting Into Your Life

If you’re sold on the many benefits that intermittent fasting has to offer and not so much concerned with the potential drawbacks, then the next step is figuring out how to best incorporate this new eating pattern into your life. This means finding ways to go through some, or all of your day, without any type of reliance on food.

Because you’ll likely be fighting some type of hunger, at least until your body adjusts to the idea of fasting, it helps to stay away from any area with lots of fast food options. They’re just too tempting and can cause you to stray from the intermittent fasting method completely. Along the same lines, try to avoid other areas where you’ll have easy access to food, like office break rooms, vending machines, and things like that.

It also helps to stay hydrated during your fast. Preferably, stay away from any beverage containing sugar or sugar substitutes (like those found in diet soda or other sweet, no-calorie drinks) so it doesn’t affect your blood sugar. Coffee, tea, and water are going to be your best options. (Note: Some fasters swear by Bulletproof Coffee, which is coffee with oil and butter, to help them through their fast, but that’s up to you.)

Some fasters report that it’s also easier to not talk about the fact that they’re fasting, saving them from other people’s usually rather strong opinions about whether or not it’s safe or good for you. Instead, when faced with opposition about their non-eating, they say something as simple as, “Oh, I’m just not hungry right now” or “I just ate.”

Additionally, it’s important to remember that fasting for any number of hours or days is not permission to overeat or eat badly the rest of the time. When your goal is greater health, maybe along with a slimmer waistline, the food you do consume needs to be good for you. Preferably, this means eating foods as close to their natural state as possible, and letting everything else go.

Additional Resources for Intermittent Fasting

If you’d like to learn more about intermittent fasting, here are some other resources you may want to check out:

Also, if you type “intermittent fasting” in the search tab on your social media pages (Facebook, Twitter, etc.), you may find some groups you want to join there too. I hope this article has helped you learn more about the basic guidelines of intermittent fasting and how you can implement this type of eating plan into your own life for increased fat loss and overall health.

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About Author

Christina DeBusk

As a former police officer, I understand the necessity of staying active and in good physical condition. It's important for everyone to stay healthy, but when your life depends on your ability to respond physically, the level of importance definitely raises a few notches. See my profile page for more information!

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