| http://www.w3.org/ns/prov#value | - Reply Summarizing the substantial and growing body of study results showing deleterious health effects of breathing ozone, in 1976, and reiterated in 2006, the United States Food and Drug Administration (FDA) reflects the scientific consensus that ozone is a toxic gas which has, as yet, no demonstrated safe medical application in specific, adjunctive, or preventive therapy.
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