A study published in Science by the Champalimaud Foundation reveals a surprising new role for the immune system. During periods of low energy—such as intermittent fasting or exercise—immune cells step ...

Organ transplants save lives, but unfortunately rejection is a key hurdle. Now scientists have demonstrated a potential new way to prime a recipient’s immune system to accept a transplanted organ, by ...

“Axolotls are legendary for regenerating limbs and parts of the central nervous system,” says study co-author Maximina H. Yun ...

During fasting or exercise, immune cells (red) migrate to the pancreas and stimulate glucagon-producing cells (orange) to regulate blood sugar, with cell nuclei shown in blue. “For decades, immunology ...