It is being surmised among scientists that a person’s daily caffeine fix may lead to partial deafness.
A nice hot cup of java may be your idea of a quick pick-me-up. Indeed that dose of caffeine may have its perks as a stimulant yet studies show that it could cause hearing loss in the long run.
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Especially after hearing damage has already occurred, a cup of coffee consumed on a regular basis could further aggravate the problem. The human ear is a marvel of Nature’s engineering.
It can recover from such assaults as construction noise, loud heavy metal music and jumbo jets in the vicinity. That is a whole lot of decibels impinging on the eardrum.
Yet coffee consumption could prevent any recovery from this devastating noise pollution. Thus exposure to loud jarring sounds on a daily basis along with a mocha latte that is consumed everytime you rise and shine may be the ideal presciption for hearing loss.
When the eardrum is exposed to loud noises, it undergoes changes that result in an auditory temporary threshold shift. While the hearing loss could be reversed in the short term, in the long run if the symptoms are ignored, the hearing loss may become permanent.
Scientists carried out experiments on rodents in the lab. They were exposed to 110 decibels for a period of 60 minutes. Half of these mice were given caffeine and the other half were not given a caffeine dose.
After 24 hours, both groups were similar in their health status. However, after more than a week of this exposure to the noise, there were clear and visible differences between the two.
The group taking the caffeine was in a far worse state than the other group. It revealed greater odds of hearing loss. The greatest dose of caffeine in the mice is equal to 3 regular cups of coffee per day. There are some soda pop brands in the market that exceed such a dosage.
After crude oil, coffee is the most commercially sold substance on earth. It is so popular in the West that more than 80% of the citizens of the Free World consume it regularly.
Caffeine is not only found in coffee but also exists in varying amounts in tea, soft drinks and energy drinks not to mention cocoa and chocolate. Besides its recreational use as an addictive stimulant beverage, caffeine has potential uses in the field of medical science as well.
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The study, “Association of Caffeine and Hearing Recovery After Acoustic Overstimulation Events in a Guinea Pig Model” was co-written Faisal Zawawi, MD, FRCSC; Aren Bezdjian, MSc; Mario Mujica-Mota, MD, MSc; Jamie Rappaport, MD, FRCSC; Sam Joseph Daniel, MD, MSc, FRCSC.