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02.01.2014

Caffeine tinnitus study, can pulsatile tinnitus cause dizziness - Reviews

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Tinnitus results in a ringing, buzzing, hissing or other sound in the ears, and it is a clue that something may be wrong within the auditory system. The Nurses’ Health Study II (NHS2) is the second iteration of a large study initiated in 1976, which chose nurses as participants under the assumption that they could more accurately answer surveys regarding their personal health.
Eighteen years later, the 2009 questionnaire included inquiries regarding self-reported tinnitus with defining frequencies of never, once per week or less, several days per week or daily. One of the main limitations of the study was that tinnitus and hearing loss was self-reported. If you are, or someone important to you is, experiencing tinnitus it may be a sign that you are beginning to experience hearing loss. Caffeine intake may be associated with lower incidence of ear ringing in women, an American study has found. Researchers from Boston-based Brigham and Women’s Hospital found women with higher caffeine intake have lower risk of tinnitus, described as ear ringing and buzzing.More than 65,000 women aged 30 to 44 and without tinnitus were recruited in 1991 when the study began.
Consumption of higher-than-average amounts of caffeine may prevent occurrence of tinnitus with its ringing in the ears, study suggests.
If you have continuous ringing in your ears or some other phantom noises -- known medically at tinnitus -- think about another cup of morning coffee as a possible treatment, researchers say.
Although the exact mechanism is as of yet unknown, a study found women who reported they consumed higher-than-average levels of caffeine were found less likely to experience the steady buzzing or ringing of the ears associated with the condition. The study began in 1991 with around 65,000 American women with no reported incidence of tinnitus, and followed them for 18 years during which time almost 5,300 subsequent cases of tinnitus were recorded. If a participant reported either daily symptoms or occurrences a few days a week, the study researchers considered that a case of tinnitus.


During the course of the study, the researchers gathered information on the participant's medical history, diet and lifestyle. Analyzing their data, the researchers found women who consumed less than 150 milligrams of caffeine daily -- equivalent to about one-and-a-half 8-ounce cups of coffee -- had a 15 percent greater chance of developing tinnitus than women whose caffeine consumption was between 450 mg to 600 mg each day. The study results are not proof of a cause-and-effect relationship between caffeine and tinnitus, the researchers acknowledged, and they said that further research is needed to understand the results. Around 50 million people in the United States suffer from some degree of tinnitus, according to the American Tinnitus Association.
Tinnitus should be of sufficient concern to merit a doctor's examination it if interferes with daily routines, if it occurs suddenly or without apparent cause or is accompanied by dizziness or hearing loss, the Mayo Clinic says. The new study, conducted by Harvard researchers working with the Brigham and Women's Hospital in Boston, was published in the American Journal of Medicine.
Researchers in Canada who tracked coffee-drinking habits in middle-aged women found those who drank three to four cups a day were 15 per cent less likely to develop tinnitus and those on more than four cups were 20 per cent less at risk.
The Nurses Health Study II detailed the health and lifestyle habits of more than 65,000 nurses in the US. The findings of the study, published in the American Journal of Medicine, do not conclude that caffeine is necessarily a cure for the hearing impairment, but does provide that caffeine consumption is safe and perhaps even beneficial to a person’s overall hearing health. The NIH states that tinnitus is not a disease, but it is a symptom that could be caused by conditions such as ear and sinus infections, brain tumors, thyroid problems or noise-induced hearing loss.
The first study focused primarily on oral contraceptives, whereas the Nurses’ Health Study II, initiated in 1989, focused on diet and lifestyle risk factors as well. Although, since there is no standard test for identifying tinnitus, there’s not necessarily a more accurate way to have verified instances of the condition.


We know that caffeine stimulates the central nervous system, and previous research has demonstrated that caffeine has a direct effect on the inner ear in both bench science and animal studies," he added. Experts at the University of Western Ontario and at Harvard School of Public Health came up with their theory after analysing data from one of the world’s biggest studies into women’s health. This research comes at a time when tinnitus is a seemingly common problem, as the National Institutes of Health report that approximately 10 percent of Americans have experienced tinnitus within the last year.
Furthermore, tinnitus can be a side effect of medications, especially when you begin or stop taking them regularly. To calculate caffeine intake, researchers included relevant food and beverages such as cola, tea, coffee, candy bars and brownies. Essentially, this research found only an association between regular caffeine consumption and reduced instances of tinnitus.
While there is no precise treatment for tinnitus, several options have proved beneficial, especially hearing aids.
The researchers found that those who consumed more caffeine on average each day were less likely to experience tinnitus. There is not enough evidence to deem caffeine a preventive or palliative option for addressing tinnitus.



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