One of the teams working on different aspects of hearing capabilities and hearing loss based at University of Leeds’ used a standard TENS (transcutaneous electrical nerve stimulation) machine, like those outlined to mitigate labor pain, to bid electrical pulses to the tragus, an eminence on the inner side of the external ear, in front of and partly closing the passage to the organs of hearing.

The stimulation changed the impact of the nervous system on the heart by diminishing nervous signals that can steer failing hearts too rigid.

The University of Leeds’ Faculty of Biological Sciences – Jim Deuchars who is the Educator of Systems Neuroscience said, “When the TENS (transcutaneous electrical nerve stimulation) machine is on, the person feels a tad of tickling sensation in their ear but that is painless. So far, it’s been a couple of days we have been trying this on healthy subjects but we really believe that it does have the latent to enhance the health of the heart and might even become a measure of the treatment for heart failure.”


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Investigators urged electrodes to the ears of 34 physically sound people and then they Switched ON the TENS machines for 15-minute sessions. They scrutinized the inconsistency of subject’s heart beats and the action of the chunk of the nervous system that pushes the heart. The findings of the research were still persistent even after the TENS machine was Switched Off.

Coming to the results of these observations, Dr. Jennifer Clancy, the lead scientist said, “The first optimistic outcome we scrutinized was increased changeability in subject’s heart beats. A strong heart doesn’t beat like a metronome. It is frequently intermingling with its environs – getting a bit wilder or a bit sluggish depending on the demands on it. A detrimental heart works more like a device relentlessly thrashing out the same beat. We found that when a person excites his nerve then he gets around 20 percent rise in heart rate variability.”