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02.02.2014


Diet rich in magnesium, betacarotene and vitamins C and E protects your hearing

If you eat foods that contain lots of magnesium, betacarotene and vitamins C and E it'll help protect your hearing. American and South Korean epidemiologists, who studied over 2500 Americans aged between 20 and 69, state in the American Journal of Clinical Nutrition that people who consume large amounts of these nutrients have less noise induced hearing loss.
If you eat foods that contain lots of magnesium, betacarotene and vitamins C and E it'll help protect your hearing. American and South Korean epidemiologists, who studied over 2500 Americans aged between 20 and 69, state in the American Journal of Clinical Nutrition that people who consume large amounts of these nutrients have less noise induced hearing loss.

Damage to our hearing occurs as a result of repeated exposure to noise. Animal studies have already shown that supplementation with magnesium, betacarotene and the antioxidants vitamin C and vitamin E offers protection against this. [Free Radic Biol Med. 2007 May 1;42(9):1454-63.] The researchers in this study looked at whether the relationship between these nutrients and quality of hearing could also be found in data collected by the National Center for Health Statistics.

The researchers used data on a group of 2592 Americans that had been collected between 2001 and 2004. Researchers had measured the participants' hearing ability in hearing tests, and used questionnaires to work out how much magnesium, betacarotene and vitamins C and E the respondents consumed through their food and supplements.

And hey presto: the respondents with the highest intake of magnesium, betacarotene, vitamin C and vitamin E had the least chance of hearing damage. The figure below shows the relationship between the intake of each of the four nutrients and the likelihood of hearing damage.

Q1 = the likelihood of hearing damage in the 25 percent of the participants with the lowest nutrient intake; Q4 = the likelihood of hearing damage in the 25 percent of the participants with the highest nutrient intake.


If you eat foods that contain lots of magnesium, betacarotene and vitamins C and E it'll help protect your hearing. American and South Korean epidemiologists, who studied over 2500 Americans aged between 20 and 69, state in the American Journal of Clinical Nutrition that people who consume large amounts of these nutrients have less noise induced hearing loss.


If you eat foods that contain lots of magnesium, betacarotene and vitamins C and E it'll help protect your hearing. American and South Korean epidemiologists, who studied over 2500 Americans aged between 20 and 69, state in the American Journal of Clinical Nutrition that people who consume large amounts of these nutrients have less noise induced hearing loss.


The figure above shows that the relationship between good hearing and a high intake of vitamins C and E was statistically significant.

The researchers also calculated a total score for all participants, based on their betacarotene, vitamin C and vitamin E intake [AC2]. The relationship between the total score and hearing quality was even stronger than the relationship between the individual nutrients and hearing.


If you eat foods that contain lots of magnesium, betacarotene and vitamins C and E it'll help protect your hearing. American and South Korean epidemiologists, who studied over 2500 Americans aged between 20 and 69, state in the American Journal of Clinical Nutrition that people who consume large amounts of these nutrients have less noise induced hearing loss.


To find out how much magnesium, betacarotene, vitamin C and vitamin E you should take daily according to this study to protect your hearing, look at Quartile 4 in the table below.


If you eat foods that contain lots of magnesium, betacarotene and vitamins C and E it'll help protect your hearing. American and South Korean epidemiologists, who studied over 2500 Americans aged between 20 and 69, state in the American Journal of Clinical Nutrition that people who consume large amounts of these nutrients have less noise induced hearing loss.


The second author of this study, Josef Miller, was also involved in an animal study published in 2007 that showed the effectiveness of a mix of these nutrients against damage to hearing. Together with colleagues, he filed a patent for nutritional supplements containing magnesium, betacarotene, vitamin C and vitamin C that are intended to protect hearing.

Source:
Am J Clin Nutr. 2014 Jan;99(1):148-55.

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