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 ...

Those with phobias of needles can now get tattoos without having to worry. Scientists have developed a way to get a permanent tattoo without going under the needle and suffering through hours of pain.

Idera Lawal was always interested in tattoos. So, when he was given the task of studying how the mechanisms of tattooing could be used as an intradermal drug delivery system, it was right up his alley ...