The human immune system is one of the body’s most complex and fascinating defence mechanisms. It works tirelessly to protect us from infections, bacteria, viruses, and other harmful invaders. While ...

Those with aging immune systems struggle to fight off novel viruses and respond weakly to vaccination. Researchers were able to revitalize the immune system in mice. Planes, trains, boats, automobiles ...

Stem-cell researcher Carolina Florian didn’t trust what she was seeing. Her elderly laboratory mice were starting to look younger. They were more sprightly and their coats were sleeker. Yet all she ...

During the recent Covid-19 pandemic, the rate of serious illness and death was jarringly high in older populations. Why? Weakening immune systems — as we age, we become more vulnerable to infections, ...

People who consumed kimchi showed increased activity in antigen-presenting cells, which help the body recognize bacteria and viruses and alert other immune cells. Researchers also found healthier ...

Research shows that early exposure to everyday environmental microbes, through outdoor play, pets, and natural surroundings, helps train children’s immune systems and may lower the risk of allergies ...

Cancer immunotherapies, including cancer vaccines, harness and amplify the immune system’s natural ability to detect and attack cancer cells. In this illustration, immune T cells (pink) attach to a ...