Fat v’s Sugar: What is really to blame for the global obesity crisis


Sugar or fat, which one is to blame for the obesity explosion we are now seeing around the globe?

This is the subject of a recent BBC documentary. The latest advice we are hearing from the health industry is the sugar is the real culprit not fat, as has been previously thought.
In this study two identical twin brothers (both doctors) go on a diet for a month. One of them on a extremely low fat diet, but high sugar (carbohydrate) diet. The other on an extremely low carbohydrate diet (no vegetables allowed), high fat diet.

A lot of the finding where as you would expect. The brother on the low sugar, high fat/protein diet lost the most amount of weight. However, he also lost the most amount of muscle and water from his body.

The low sugar brother also experienced more brain fog then his high sugar (carb) brother. He also lost the exercise test to the high sugar brother. Which ties in with what we know about glucose providing fuel for the body. When glucose is not available in the bloodstream the body starts to convert protein into glucose, which produces ketones.
The more interesting, and surprising findings where that the low sugar (carb) brother was almost pre-diabetic at the end of the month. The high sugar, low fat brothers insulin levels were normal!
The ultimate result of this was that neither fat or sugar alone is responsible for the increasing obesity and diabetes rates. What is responsible is the combination of the two.

When we eat Fat or sugar alone, our bodies tell us when we are full and we stop eating. In fact we just don’t want to eat any more. Nowhere in nature does this combination happen. Only in manmade processed foods do we see fat and sugar combined.
When these two macro nutrients are combined it supercharges the brains reward system. This is also what happens with addictions. This reward system overpowers our ability to stop eating and our mechanism for self-regulation and reward.

What can you do now you know this?
– Cut down on processed treats (foods containing fat and sugar)
– Increase whole foods in their natural state and avoid combining foods containing fat and sugar
– Ensure you have fruit and other naturally sweet foods, to avoid cravings for processed sweets (lollies).
– Keep muscle. Work out regularly and keep active.

On a personal note, one of the most interesting observations was when one of the doctors admitted that they did not know about nutrition, they’re not trained in this. Maybe the health care system and the health of the nation would improve dramatically if doctors did know a bit more about the power of nutrition.

If you need help putting a health and fitness plan together, or need motivation and coaching with your health and fitness goals feel free to contact me for a FREE health consultation.


mb: 0406759721 or Email: liz@onelifefitness.com.au

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