Scientists call the diet that extends life

Once the two groups of biologists to test the effectiveness of popular cattily on mice and proved that it actually improves brain function in old age and markedly increases the chances of living a long and healthy life, as stated in the articles published in the journal Cell Metabolism.

“The fact that this diet strongly affect memory and brain function in later years of life, very inspires us. Older mouse who ate this way had a stronger memory than young rodents on a normal diet. It is really an amazing discovery,” says Eric Verdin (Eric Does), one of the authors from the University of California in San Francisco (USA).


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The so-called kettiya today is rapidly gaining popularity among fitness enthusiasts and sports. Its main difference from other diets is the fact that most of the calories in it are not carbohydrates, fats and proteins. Such replacement causes the brain and other organs of the body to use glucose, fatty acids and ketones as a primary energy source.

This puts the muscle and brain cells in special regime “energy conservation”, resulting in the first become more hardy, and the second is aging slower. For this reason ketone diet today became especially popular among cyclists, marathon runners and representatives of other sports disciplines where the important endurance.

As noted Verdin, nobody has ever tested how such a transition in the mode of “energy saving” affects the life expectancy of humans and animals, despite its possible advantages. His research team and a group of scientists from the University of California, Davis (USA) tried to find the answer to this question in observing several groups of mice that biologists put on different versions of cattily.

These observations show that ketone diet in all its variations actually improves brain function in older years. The mouse who ate this way much better and faster memorized the position of the exit from the maze and solve other tasks related to intelligence and memory, than their relatives in the usual or simply fatty diet. In addition, kettiya significantly decreased the probability to die in the middle years of life, but did not increase maximum lifespan.


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These positive changes, as scientists believe, was related to the fact that the transition to a ketone metabolism changed how the insulin affects the cells of the body, and “included” genes associated with hunger and chronic lack of nutrients. Thanks to these changes, according to biologists, the older mice not only maintained a high mental acuity and physical strength, if scientists were to limit the number of calories they consume.

“How big were these changes really struck me. We had assumed that switching to ketone metabolism will have a positive impact on the aging process, but the scale of the changes that we have documented, well deserved surprise,” concludes John Ramsey (John Ramsey), the team leader from the University of California, Davis.

Previously, scientists have described a way of extending life.