Macrophages, the immune system’s front-line scavenger cells, do more than simply digest dead cells. A new study published in ...

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, ...

Your immune system could weigh 1 to 1.2 kilograms and contain 1.8 trillion cells. “The immune system is a complex system comprising many different cell types with essential functions,” says Ron Milo ...

Our immune system protects the body from infections and harmful changes throughout our lives. However, it loses its effectiveness with age, resulting in an increased risk of disease. But what happens ...

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 ...

Gut bacteria aren’t just passive passengers—they can actively send proteins straight into our cells. Using microscopic injection systems, even harmless microbes can influence immune responses and ...

The field of cancer immunology has undergone significant transformation over the past decade, reshaping our understanding of tumor–immune system ...