Announced Nobel lauriates -"The laureates identified "regulatory T cells," which function like the immune system’s security guards and prevent immune cells from attacking our own body, a cause of autoimmune diseases. "Their discoveries have been decisive for our understanding of how the immune system functions and why we do not all develop serious autoimmune diseases," said Olle Kämpe, chair of the Nobel Committee.

 The headline is from two paragraphs of MSN coverage.  This image.

Many readers may be unfamilier with autoimune diseases, but if a family member, a parent, child or sibling suffers any of the several afflictions, then you know.

The more that is known about immune system function, the better.  

These researchers deserve respect and recognition. Crabgrass adds its share.

Medical science advances, despite Kennedy.