Even before its structure was known, ozone was, and still is to this day, used as a water and air steriliser, as well as a surface disinfectant. It has also been used in the past as a way of disinfecting wounds, but as technology has advanced, coupled with the fact that ozone is quite toxic, it fell out of favour.
Now, like so many redundant medical practices, it has been adopted by the alternative medicine crowd where its proponents are promoting it as a panacea that has the ability to cure, among other things, cancer, AIDS, and multiple sclerosis.
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