Tattoo needles leave behind metal particles that spread to lymph nodes, study finds

Tattoo needles leave behind metal particles that spread to lymph nodes, study finds

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Interactive Video

Science, Biology, Health Sciences

11th Grade - University

Hard

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The video discusses the findings of toxicology research on tattoo needles, which deposit metal particles like nickel and chromium into the skin. These particles are transported to the body's lymph nodes, with sizes ranging from 50 nanometers to two micrometers. Researchers used scanning electron microscopy to analyze tattoo needles before and after use, discovering abrasions caused by inks containing titanium dioxide. This effect was not observed with carbon black ink.

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OPEN ENDED QUESTION

3 mins • 1 pt

What new insight or understanding did you gain from this video?

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