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Calorie and Benefit hearing

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Calorie and Benefit hearing

Calorie and Benefit hearing

foods affect on hearing! do you want to know if it is possible read the following article.

Numerous diets and guidelines are universal. With advice and suggestions as to what to eat, what not to eat and the beneficial effects of a healthy diet, this may even extend to benefitting one’s hearing. A Swedish study suggests that calorie restriction, besides having the effect of slowing down aging, may also be advantageous and valuable in relation to age-related hearing loss, also known as presbycusis.

In the study, thirty-month-old rats were put on a 70% dietary restriction and were compared to rats that were fed ad libitum. Besides having a 20% higher survival rate than the male rats, the results also showed that the female rats’ calorie restriction was beneficial to their auditory level. The results therefore demonstrate that dietary restriction delays age-related degradation of the auditory system. The researchers hope to investigate the causes of age-related hearing loss even further and explore ways to delay or even prevent the disability in the future.

delaying age-related hearing loss in mice

Scientists at the University of Wisconsin-Madison in the US have succeeded in delaying age-related hearing loss in mice by restricting their intake of calories.
Experiments with mice have shown that a 25% reduction in calories activated a single enzyme, Sirt3, which helped preserve hearing. The experiments are described by researches in the journal Cell.
“If we can find compounds that activate Sirt3 we may be able to obtain some of the benefits of caloric restriction without having to restrict our calories,” said Tomas A. Prolla, a professor of genetics at University of Wisconsin-Madison in the US and senior author of the new paper.
Prolla and his colleagues carried out experiments with normal mice and mice deprived of the Sirt3 enzyme. In one experiment both groups were fed the 25%-reduced calorie diet for 10 months. The diet had the same weight loss effect on both groups.
Although the diet delayed hearing loss at various frequencies in the normal mice, it did not work at all in the mice lacking Sirt3.
Energy factories and free radicals.

caloric restriction play

The experiments also suggested how the benefits of caloric restriction play out at the molecular level.
“What seems to happen that drives caloric restriction is that the organism senses it is under stress,” Prolla explained. “There are then metabolic changes that favour self-preservation.”
Under normal conditions, he said, levels of Sirt3 are low. Caloric restriction appears to boost levels of Sirt3 and the boost helps the cells’ energy factories, called mitochondria.
The mitochondria produce not only the energy, but also atoms called free radicals, which damage cells and advance the effects of aging. When Sirt3 levels rise, however, they reduce production of the harmful free radicals. One result is less damage to cells, including the cells of the inner ear.

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Calorie and Benefit hearing

Calorie and Benefit hearing

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Calorie and Benefit hearing
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