This study is a BIG DEAL for those interesting in time restricted diets. In a new study published March 2015, mice who ate just once a day lost weight, then gained it all back plus a few bonuses:
- They continued to show “gorging” eating behaviors though no longer restricted
- The weight regain consisted of more belly fat, associated with obesity and serious illness than the group of mice allowed to nibble throughout the day.
The present study also provides evidence that weight regain following food restriction is associated with cumulative metabolic and behavioral abnormalities in mice.
From: Short term food restriction… Journal of Nutritional Biochemistry Mar 2015
Timing Matters…A Lot
It’s well established that our body has multiple internal clocks that control our Circadian Rhythms, with one of the most important being in our liver. This study showed:
The mice that fasted and then gorged didn’t just regain weight, however. They also developed insulin resistance in their livers. The researchers explained that when the liver doesn’t respond to insulin signals telling it to stop producing glucose, that extra sugar in the blood ends up stored as adipose tissue, more commonly known as fat, in the body.
Even though they were consuming the same amount of energy [calories], they were storing it differently — storing it as adipose tissue,” Belury said. The adipose tissue — fat — accumulated around the organs in the mice’s midsections.
1. This new study does not condemn time restricted diets, especially if you can stay on them for the long haul. Remember in this 2014 study Intermittent Fasting showed amazing weight loss and health benefits for mice. However the feeding window was 12 hours, not just one large meal.
2. Eating timing patterns have a huge impact on eating behaviors. This study showed that all the mice developed a form of eating disorder (gorging), simply due to the timing of their meals. EET Fitness has said (and proven) since 2008, you can lose weight and become more fit by simply changing the timing of your eating and exercise. Obviously if timing can create weight loss, it can create weight gain as well, and this study showed both were true.
3. Mice studies are not always transferrable to humans. However, EET suggests you don’t take these results lightly as all living things have Circadian Rhythm patterns and many studies have shown ill effects for humans if they are disrupted.
4. The nightmares begin when you “go off your diet”. Mouse, human or otherwise should take heed to EET Guideline #1 Yo-Yo Must Go! (read about it here for free) This study sends a great message that you want to put all your efforts into finding a lasting diet, rather than measuring the success of your diet in terms of fast weight loss.
5. Most important (imo) This is why EET’s new paradigm offers complete freedom of choice in eating timing patterns every day and never encourages fasting. only management of carbs. Our bodies were designed to eat regularly and never feel deprived.
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