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 ...

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 ...

Modifying the organ instead of the recipient isn’t a new idea, but it is an important one, said Jeffrey Platt, a transplantation biologist at the University of Michigan Medical School who was not ...

Your immune system is your body’s built-in defense network, working nonstop to protect you from bacteria, viruses, and other ...

The idea of turning back the clock on the immune system has moved from science fiction to a concrete experimental strategy. A ...

Researchers have discovered that cancer cells steal mitochondria, a key organelle, from various immune cells—the body's ...

Medically reviewed by Michael Menna, DO Key Takeaways The circulatory system carries oxygen and nutrients throughout the body and removes waste.The lymphatic system helps fight disease by creating and ...

Charlottesville, Va, Jan. 21, 2026 (GLOBE NEWSWIRE) -- A scientific discovery aimed at stopping dangerous immune-system ...

I am lying under a blanket, feeling rough, staring at a bowl of oranges. Every fibre of my being is urging me to devour the lot. I can hear my mum – and medical friends at university – insisting that ...

Researchers at the University of California, Davis, have uncovered new details about how a once-deadly coronavirus disease in cats spreads through the immune system. The findings may help scientists ...