As people age, their immune system function declines. T cell populations become smaller and can't react to pathogens as ...

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, ...

As the immune system weakens with age, researchers have found a way to temporarily boost its function by reprogramming liver cells to support T-cell development.

A person’s menstrual cycle may affect their immune system’s response, causing fluctuations throughout the month. The menstrual cycle involves a series of changes in hormone levels and structures ...

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 ...

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 ...

Recent studies have shown that even if you feel healthy and fit, your immune system could be aging quicker than you think, which could increase the risk of infections and immune-related disorders.

Antibodies, which recognize viruses and proteins that the body has encountered before, have long gotten most of the credit for giving the human immune system a memory. Now, researchers at the ...

Study reveals how our immune system transforms across a lifetime—unlocking the potential for predicting disease risk and optimizing health before symptoms appear. Resource: Integrating single-cell RNA ...

Asthma symptoms often occur when the immune system responds to triggers, such as an allergen or infection. The immune system may contribute, but asthma is not an immune deficiency, and doctors do not ...