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

University of Pennsylvania researchers have found a promising new treatment for periodontitis using a component of the immune system called complement, according to a new study in the Journal of ...

A protein made by gut cells helps to destroy harmful bacteria in the intestines, according to experiments in mice 1. Roughly 50 proteins in the blood make up the complement system, which forms a ...

Most people infected with the SARS-CoV-2 virus recover after the acute illness. However, a significant proportion of infected individuals develop long-lasting symptoms with a wide range of ...

As the immune system weakens with age, researchers have found a way to temporarily boost its function by reprogramming liver cells to support T-cell development.

Vitamin C, zinc, and other compounds can help your immune system thrive. Eating superfoods with these vitamins and minerals may help your body fight infection and disease.

Both apples and oranges support immunity—but oranges clearly win. Oranges deliver far more vitamin C, plus immune-supportive ...

Eating the fermented food kimchi daily for 12 weeks may also help improve the immune system, in addition to its gut health ...

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