A NEW trial by Edinburgh University is exploring whether gargling salt water will reduce symptoms of Covid-19.
Volunteers with the infection will use a nasal wash made up of salt and water or simply continue their regular healthcare.
An earlier study looked at the effect on colds and found the technique cut the duration of the cold by nearly two days.
It is suggested the salty water could help immune cells produce hypochlorous acid (the active ingredient in bleach) that can ‘kill off’ bacteria and viruses such as Covid.
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