Multicellular organisms are a mosaic of different cells, tissues, and systems, each with their own specific function and interactions with other cells within the organism and/or the larger environment ...

Cells have an internal skeleton that maintains their structure and also drives their movement. Known as the cytoskeleton, ...

As the immune system ages, it reacts more slowly to pathogens, vaccines become less effective, and the risk of cancer ...

The immune system faces a delicate balancing act: it must be aggressive enough to fight infections and cancer, yet restrained ...

By electrically stimulating macrophages, scientists at Trinity College Dublin have found a way to calm inflammation and promote faster healing. The process turns these immune cells into ...

Once thought to be a flaw in the system, new research suggests that CD4 T cells may actually hold the key to maintaining a ...

Medically reviewed by Sohaib Imtiaz, MD Key Takeaways Citrus fruits are rich in vitamins and antioxidants to fight infection and prevent chronic illness. Citrus fruits include foods such as oranges, ...

An international team of researchers reports that the immune cells of older adults with a history of endurance training are more effective at combating inflammation. Regular physical activity not only ...

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, ...

A peek inside some leading research labs shows how scientists-turned-detectives are painstakingly decoding what causes ...