Steffini Stalos, DO, FCAP, is a pathology and lab medicine physician. She is also the chief medical officer of the lab consultancy firm Blood Associates, LLC. Hand sanitizer expires after about 2.5 ...

None of this is to say that my hands never see rough work or get dry and cracked. Before I moved to New York City, I was always working on old cars (because I couldn’t afford anything else), and no ...

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