A single blood protein can make aging stem cells act young again. As people age and notice changes like graying hair or reduced muscle strength, their immune system also undergoes shifts. One key ...

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, ...

Kimchi may do far more than add flavor to meals—it could help fine-tune the human immune system. A clinical study using ...

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

As people age, their immune system function declines. T cell populations become smaller and can't react to pathogens as ...

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.

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 ...

Antibiotics are powerful treatments that have saved countless lives over the course of decades. New findings from Scripps ...

It emerges from a study of human cells that smoking can influence certain immune responses to the same extent as can age or genetics. Smoking can alter the immune system in ways that persist long ...

Asthma symptoms often occur when the immune system responds to triggers, such as an allergen or infection. The immune system may contribute, but asthma is not an immune deficiency, and doctors do not ...

Can the weakened immune systems of older individuals be rejuvenated? Researchers from the German Cancer Research Center (DKFZ ...