From football fields to military training grounds, head injuries are leaving lasting marks on the brain in ways we're only ...

Most people infected with the SARS-CoV-2 virus recover after the acute illness. However, a significant proportion of infected individuals develop long-lasting symptoms with a wide range of ...

Undertaking a study of proteins found in the complement system, an important part of the immune system, of patients with long COVID, researchers have identified a blood protein ‘signature’ that may ...

Balancing the immune system is a delicate act. If it’s too weak, infections and cancer can take hold; if it’s too strong, autoimmune diseases or transplant rejection can occur. Researchers have ...

"Patients with active long COVID disease also had elevated blood levels indicating damage to various body cells." Credit: Enrique Heer "Patients with active long COVID disease also had elevated blood ...