Nell Greenfieldboyce

Nell Greenfieldboyce, an NPR science correspondent, discusses the intriguing research on tattoo inks, revealing surprising gaps in what’s known about their composition and safety. With nearly 30% of Americans sporting tattoos, the cultural significance of this trend is highlighted alongside personal experiences. The conversation shifts to concerns over allergic reactions and the need for better regulation of tattoo inks, particularly in the U.S., as scientists strive to create a public database for informed consumer choices.