The other day I overhead someone talking about oxygen therapy. I really had no idea what it was so naturally I turned to the trusty Internet and looked it up. Apparently, oxygen therapy is based on the idea that all human cells require sufficient levels of oxygen to function properly. That makes sense. Also, according to the article I read, oxygen therapy can improve concentration and memory and also help with sleeping problems. The therapy is usually delivered as a gas via an oxygen source such as a cylinder or oxygen concentrator and can be short-term or long-term. Interesting, eh?
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