You Eat Too Much & Probably Don’t Know It

by Susan · 7 comments

*Guest post by Mark Moxom.

The Metabolism Myth in Dieting

It is true that our metabolism – the rate at which we process the food we eat – varies from person to person. What is not clear is why two people can appear to eat virtually the same amount of food, which causes one to be thin and the other to pile on the pounds. In this article we uncover some home truths…

Many of us have friends who seemingly can eat anything they want and never put on weight. Whereas there are some of us who can just look at a slice of cake and we can feel our waistline getting bigger by the second. Whilst metabolism may have some effect, the answer is not as simple as we may think.

In this test, two friends – Cindy and Michelle – were the volunteers. They both have very different shaped bodies. Cindy was very slim while Michelle was nearly 15kg over her desired weight. They both thought that the amount that you ate was really down to your metabolic rate. Over the course of ten days, both Cindy and Michelle were watched closely and also asked to record how much food they ate in their food diaries.

However, it wasn’t left entirely to chance, or the honesty of the two ladies! At the beginning of the test they were each given half a litre of doubly labelled water. This is water in which both the hydrogen and the oxygen have been partly replaced with an uncommon isotope of these elements, in this case a non-radioactive form of deuterium and oxygen 18.

By doing this, it was possible to see exactly how many calories each of the girls were consuming, as well as the energy they were using just by moving around, by examining a urine sample each day. It won’t be too much of a surprise that by the end of the week, the urine samples didn’t match the food diaries! The urine samples showed that although they did much the same amount of activity, Cindy actually ate 50% less each day than Michelle did.

Here is a simple but stark fact, and it may fly in the face of a lot of things that you understand, the fact is that the larger you are, the higher amount of energy your body will use, even at rest. This means that your metabolic rate is higher as well. If you think about it, this is obvious, because even though you are at complete rest, larger people need more energy to pump the blood around the body and keep moving. You could use the analogy of a big car, having a big engine, so it uses more fuel to move itself around. In the same way, a bigger person uses more energy to move themselves around.

So the next time you’re tempted to blame your metabolism for your weight, remember, here’s the simple stark truth.

Some people eat less. The other thing that should be pointed out is that whilst our two friends thought they both ate about the same, remember, Cindy ate 50% less than Michelle, and no-one was more surprised about that than her!

Now it is possible to make your metabolism work faster. One of the simplest ways of doing that is by exercising to the point where you start to be out of breath. Once your body gets the message that it needs to ‘up’ the energy level – it will continue to do so even when the exercise has stopped.

That means you’ll be using up more calories even when you’re sleeping.

You can read more helpful articles about getting fit and losing fat by going to http://www.lowcarbmonthly.com.

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Susan here: I have been talking for a long time now about how the key to weight loss is simply eating less. In fact, I have created an awesome post for you about how to eat less to lose weight.

Make sure you read that too.

You can also see a free fat loss presentation using intermittent fasting by clicking here.

Your Coach,

Susan Campbell, MS, CSCS

About Susan Campbell

Susan has a Master's degree in Exercise Physiology and is a Certified Strength and Conditioning Specialist. Get fit & burn fat at home by picking up my research based home fat loss program, Ultimate Home Workouts or sign up for my Free Newsletter.

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{ 2 comments }

1 Dawn
Twitter:
November 16, 2010 at 9:42 pm

That’s staggering that the overweight girl ate fifty percent more than the slim one. I think we have blinkers on sometimes when it comes to what we eat.

I always remember eating a buffet meal at a business event and see how one man had his plate piled so high that almost everyone couldn’t help but glance at him as he walked back to his seat. He seemed completely unaware that he had enough food to feed 3 or 4 people on his plate. It was not just a mountain of food (wide at the base and getting smaller at the top) but a square shaped block of food.

He was – need I say – VERY overweight!

2 susan November 17, 2010 at 10:01 am

Hi Dawn, thanks for taking the time to leave a comment. I’m not sure overweight people eat more because they’re fat, I think they’re fat because they eat more. And some people just don’t realize how little we actually need to eat, especially those who are sedentary or do little activity. A good way to help one see how much they are eating is to keep a food log. Works great out pointing out where they’re going wrong.

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