An immunologist imagines the body’s defense system as a team of unique, quirky characters, showcasing their essential roles.

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 we age, our immune system quietly loses its edge, and scientists have uncovered a surprising reason why. A protein called ...

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 ...

Kimchi may do far more than add flavor to meals—it could help fine-tune the human immune system. A clinical study using advanced single-cell genetic analysis found that regular kimchi consumption ...

Scientists at MIT have discovered a method to restore lost strength to aging immune systems by using mRNA technology.

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.

Can the weakened immune systems of older individuals be rejuvenated? Researchers from the German Cancer Research Center (DKFZ), the HI-STEM institute, and the Broad Institute have demonstrated that ...

From vitamin C to your microbiome and mindset, the latest science of immunity is often counterintuitive. Here's how to give ...