By Graham Rook Chronic inflammatory disorders (allergies, autoimmunity, IBD) have increased dramatically in developed countries. But depression is strongly associated with these disorders and should therefore be increasing in parallel. While there is no universal...
In 2005 Sarkis Mazmanian and colleagues showed that a single polysaccharide from an intestinal commensal, Bacteroides fragilis, could largely correct the subnormal and functionally distorted development of the immune system that occurs in germ-free mice (Mazmanian et...
Death is one of the most mysterious and inexorable problems in biology. How does life end? What is the true nature of death? Is it absolute—a fundamental state? Or is it relative and a matter of degree? Can it be defined as part of some basic reality, a detail of an...
