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A transcutaneous electrical nerve stimulation (TENS or TNS) is a device that produces mild electric current to stimulate the nerves for therapeutic purposes.TENS, by definition, covers the complete range of transcutaneously applied currents used for nerve excitation, but the term is often used with a more restrictive intent, namely, to describe the kind of pulses produced by portable ...
However, the potential seriousness of the shock depends on paths through the body that the currents take. [14] If the voltage is less than 200 V, then the human skin, more precisely the stratum corneum , is the main contributor to the impedance of the body in the case of a macroshock —the passing of current between two contact points on the skin.
This is distinct from transcutaneous electrical nerve stimulation (TENS), in which an electric current is used for pain therapy. "The main difference is the desired outcome. TENS unit is a medical device for pain relief. The desired outcome is to reduce pain by stimulating different nerve signals.
Electrical stimulation had been utilized as far back as ancient Egypt, when it was believed that placing torpedo fish in a pool of water with a human was therapeutic. FES – which involves stimulating the target organ during a functional movement (e.g., walking, reaching for an item) – was initially referred to as functional electrotherapy ...
Treatment typically takes place in hospital such as in a burn unit or intensive care unit. [3] [7] Efforts include stopping the cause, pain medication, and antihistamines. [3] [4] Antibiotics, intravenous immunoglobulins, and corticosteroids may also be used. [3] [4] Treatments do not typically change the course of the underlying disease. [3]
The antennas contained in mobile phones, including smartphones, emit radiofrequency (RF) radiation (non-ionizing "radio waves" such as microwaves); the parts of the head or body nearest to the antenna can absorb this energy and convert it to heat or to synchronised molecular vibrations (the term 'heat', properly applies only to disordered molecular motion).
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