Autoimmune encephalitis is when your immune system begins to rampage against your own brain. It’s one of the most inexplicable forms of autoimmune disease that can result in bizarre and unusual ...

What drives sex biases in the immune system? Examining how gender-affirming therapy affects the molecular profiles of immune cells of trans men reveals how hormones underpin immune responses. Read the ...

If the COVID-19 pandemic has done one thing, it’s made us all more familiar with some of the important players in the immune system. Antibodies, B cells, and T cells are among the best known parts of ...

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, ...

Of course, the immune system’s job is to protect your body from all invaders that may be harmful, not just certain viruses: When functioning properly, it alerts your body to a wide range of potential ...