John Swierk is an assistant professor of chemistry at Binghamton University, State University of New York. Tattoos are an incredibly common form of permanent self-expression that date back thousands ...

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Tattoos are an incredibly common form of permanent self-expression that date back thousands of years. Most tattoo artists follow strict health and sanitation regulations, so you might assume that ...

This study has several findings. First, 10 NACDG allergens were identified with currently relevant food sources; of these, nickel, Myroxilon pereirae, and propylene glycol were the most common. Second ...