A new study has uncovered a previously unknown antiviral defense mechanism in sea anemones, revealing that animals may have ...

Our immune systems prevent and limit infections. They are a complex set of organs, cells, tissues and proteins that work together to protect our bodies from harmful invaders such as bacteria, viruses, ...

Pathogens are a ubiquitous threat faced by all domains of life. To defend themselves against pathogens, host organisms deploy sophisticated, multicomponent immune systems. There are two main ...

An immune component of breast milk known as the complement system shapes the gut environment of infant mice in ways that make them less susceptible to certain disease-causing bacteria, according to a ...

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, ...

Balanced immune responses in the eyes are crucial to preserve vision. The ocular immune system has long been considered distinct, owing to the so-called ‘immune privilege’ of its component tissues.

Additives like aluminum in vaccines can amp up their effectiveness, creating just the right balance of inflammation to prevent disease. In this illustration, an mRNA vaccine messages cells to make the ...

Cigarette smoking is prevalent worldwide and causes numerous diseases, yet our understanding of how cigarette smoke (CS) causes serious respiratory illnesses is incomplete, and has held back 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 ...

We’ll definitely be trying this during cold and flu season. Interest in immune system health tends to peak alongside upper-respiratory viruses each fall and winter. It’s a cruel fact of life: As ...