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

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, ...

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 ...

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 ...

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 ...

Those with aging immune systems struggle to fight off novel viruses and respond weakly to vaccination. Researchers were able to revitalize the immune system in mice. Planes, trains, boats, automobiles ...

Cancer immunotherapy has already transformed treatment for some patients, yet too often the body’s defenders stall out before ...

Exercising too much and not getting enough rest is likely bad for your health. A new study shows that the same is true for migratory birds. They need to rest not only to renew their energy levels but ...