French researchers have used a protein called receptor activator of NF-κB ligand (RANKL) to revive the structure and function of the thymus in old mice. The thymus sits in front of the heart and is ...

Scientists hoping to discover better ways to boost immune function — which could lengthen our healthspan and protect immunocompromised patients — may have a new target, according to findings published ...

As the immune system weakens with age, scientists have found a way to restore some of its lost strength. By delivering mRNA to the liver, they created a temporary source of immune-boosting signals ...