Extreme low-carb diet may speed aging and dull cognition, Japanese team’s study on mice finds

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Continuing an extreme low-carbohydrate diet stringently for a long time may accelerate aging and lead to a shorter life span, according to a recent study by a group of Japanese scientists.

While pointing out that a low-carb diet is effective in reducing visceral fat and preventing blood sugar spikes, Tsuyoshi Tsuzuki, associate professor in agricultural science at Tohoku University, stressed that it “should be supervised by experts as part of medical treatment.”

In the research project, Tsuzuki and colleagues divided laboratory mice with life expectancies of about a year into three groups — one fed with a balanced diet, one with a fatty diet and one with a low-carb diet with increased protein.

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Seu corpo é uma rede elétrica

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Resumo da matéria 

  • As mitocôndrias existem numa rede interconectada, que lhes permite se comunicar e distribuir energia rapidamente através das células do corpo
  • Dentro de praticamente toda célula do corpo existe uma “rede elétrica” mitocondrial
  • Se parte da rede deixar de funcionar, existe um mecanismo que age como um circuit breaker, cortando as seções defeituosas do restante da rede, para que esta continue funcionando

 

As mitocôndrias são estruturas pequenas e especializadas, que geram energia dentro das células. Elas atuam transferindo elétrons de gorduras e açúcares para o oxigênio no processo de geração de ATP (adenosina trifosfato), que é a “moeda” energética das suas células.

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Exercise is more critical than diet to maintain weight loss

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“Our findings suggest that this group of successful weight-loss maintainers are consuming a similar number of calories per day as individuals with overweight and obesity but appear to avoid weight regain by compensating for this with high levels of physical activity,” said Victoria A. Catenacci, MD, a weight management physician and researcher at CU Anschutz Medical Campus.

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DID EATING FAT OUT OF BONES GIVE US OUR BIG BRAINS?

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Long before human ancestors began hunting large mammals for meat, a fatty diet provided them with the nutrition to develop bigger brains, a new paper argues.

The paper suggests that our early ancestors acquired a taste for fat by eating marrow scavenged from the skeletal remains of large animals that other predators killed and ate. The argument challenges the widely held view among anthropologists that eating meat was the critical factor in setting the stage for the evolution of humans.

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Want healthier eating habits? Start with a workout

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Researchers have found that formerly sedentary young adults who were instructed to exercise regularly for several weeks started choosing healthier foods without being asked to.

 

In the latest evidence that it’s worth sticking to your health-focused New Year’s resolutions, researchers at the University of Texas at Austin have found that exercising regularly is linked to better eating habits.

 

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