Immune system plays a major role in brain damage after repeated concussions, study suggests

From football fields to military training grounds, head injuries are leaving lasting marks on the brain in ways we're only beginning to understand. Repeated concussions can increase the risk of mood ...
C&EN

Activation of the ‘complement system’ helps trigger dangerous sickle-cell-disease outcome

Among people with sickle cell disease—an inherited blood disorder—acute chest syndrome (ACS) is the leading cause of death. The condition is the result of red blood cells becoming stiff, sticky, and ...