Nobel Prize in Medicine: Fighters on the Invisible Front. Immune...

Collage by Olena Zelenina. Illustrations: Niklas Elmehed/Mattias Carlén © Nobel Committee/funny.klev.club.

The body's powerful immune system needs to be regulated, otherwise it can attack our own organs. Mary E. Brunkow, Fred Ramsdell, and Shimon Sakaguchi received the 2025 Nobel Prize in Physiology and Medicine for their groundbreaking discoveries regarding peripheral immune tolerance, which prevents the immune system from harming the body.