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 ...

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 ...

MOSCOW (Reuters) -Like a piano player moving up a scale, Igor Mikhaylov runs his gloved hands along his client's upturned arm, feeling out precisely where he should place his stencil. The 38-year-old ...