A whole body health treatment unit for exposing a user to cryotherapy temperatures. Wherein, breathable cryotherapy temperature air being free of elevated nitrogen levels is supplied to a user chamber to enable a user to experience sub zero temperatures for a period of time sufficient to lower the skin temperature to beneficial therapeutic temperatures. The treatment unit also includes a hand held unit to enable a user to treat a selected body part outside of the user chamber. Additionally, there is a method to automatically resupply the liquid nitrogen in the storage tank.
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