September 2, 2026 | By Asher Jones
Nerve cells that sense pain and heat can single-handedly kick off inflammation in the skin, according to a new study published in Immunity that showed how activation of neurons sets in motion a complex cascade of interactions that hinges on mast cells—a type of immune cell usually associated with allergy.
August 26, 2026 | By Lexi Bowman
The meaning behind a tattoo is permanent. However, the vibrant colors are not. Immune cells called macrophages are responsible both for causing ink to fade over time and allowing it to be seen in the first place. New research also suggests that these processes could have consequences for immune function, but much more research is needed.
May 29, 2026 | By Mary D. Cundiff
While we all share the familiar experience of swatting mosquitoes away and resisting the urge to scratch an itchy bite, we rarely stop to consider what’s actually happening beneath our skin. Why does a mosquito bite itch?
