Stockholm: Mary Brunkow and Fred Ramsdell from the United States, along with Shimon Sakaguchi of Japan, won the 2025 Nobel Prize in Physiology or Medicine on Monday for their groundbreaking work on peripheral immune tolerance.

The body's powerful immune system must be regulated, or it may attack our own organs. Mary E Brunkow, Fred Ramsdell and Shimon Sakaguchi are awarded the Nobel Prize in Physiology or Medicine 2025 for their groundbreaking discoveries concerning peripheral immune tolerance that prevents the immune system from harming the body.

Every day, our immune system protects us from thousands of different microbes trying to invade our bodies. These all have different appearances, and many have developed similarities with human cells as a form of camouflage. So how does t

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