Scientists generally agree that eukaryotes, the domain of life whose cells contain nuclei and that includes almost all multicellular organisms, originated from a process involving the symbiotic union ...

As respiratory illnesses – such as influenza, COVID-19 and RSV – have continued to increase in recent months, it seems as if our immune systems have received more attention than ever. However, many ...

Researchers found a molecular mechanism, shared in cancer and pregnancy, that suppresses the immune system. Block this mechanism, called B7-H4, and the immune system revs up to slow cancer's growth.

A new study shows human immune systems differ across populations, raising new questions for medicine and global drug research ...

Groundbreaking new tests reveal patterns in our immune systems that can signal underlying disease and tell us how well we might recover from our next cold. I got my results in a text message. The ...

Once we hit our fifties, many people notice that bouncing back from a cold or shaking off fatigue takes a little longer than it used to. That’s because our immune system naturally changes with age, ...

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, ...

Researchers have discovered the “fountain of youth” for cells - but it comes with a big cost. Some people over 60 years old were found to have immune systems that appear to be much younger in wear-and ...