Add Yahoo as a preferred source to see more of our stories on Google. Photo credit: EPHEMERAL TATTOO; BEN HUA YU; CHLOE KRAMMEL/MEN'S HEALTH ILLUSTRATION WHEN I first heard of Ephemeral Tattoo, I ...

A few years ago, a team of European researchers discovered nanoparticles from tattoo pigments seem to be able to travel from a tattoo site into a body’s lymph nodes. A new follow-up study has now ...

Sick lymph nodes, bruh! Turns out your tattoo artist gave you more than ink. New research has revealed that nanoparticles from tattoo needles are traveling to the body’s lymph nodes — a possible ...

When news breaks, you need to understand what actually matters — and what to do about it. At Vox, our mission to help you make sense of the world has never been more vital. But we can’t do it on our ...

Tattoos are made by injuring the skin with a needle and at the same time injecting ink to draw various patterns and letters on the body. To engrave a tattoo, I use a tattoo gun that shoots out a ...

But it's not just that ink is capable of reaching the body's lymph nodes, as researchers previously revealed. Tattoo needles – even new ones – also may be playing a role. Tattoo needles typically are ...

Nanoengineers at the University of California, San Diego have tested a temporary tattoo that both extracts and measures the level of glucose in the fluid in between skin cells. This first-ever example ...

If you've never gotten a tattoo, you might think that a tattoo needle works by "injecting" ink under the skin. That's sort of true, but close-up and slowed-down footage of the process reveals some ...