But from the immune system’s point of view, never forgetting your first is logically sound. New encounters with a pathogen catch the body off guard—and tend to be the most severe.

Kennedy Jr. has made many public statements about vaccines that have cast doubt on their safety and on the objectivity of ...

Once the immune system is stimulated by an immunogenic epitope, ... The figure shows two examples of this process: the activation of the classic complement pathway after binding of C1q to Fc, ...

Not only do mitochondria serve as the engine of the cell – they also act as watchtowers for the immune system.

Or if your immune system starts to attack your body instead of safeguarding it, ... To figure out what’s going on with your health, you’ll want to see your doctor. 1. Cold Hands.

The health of your immune system is defined by how well it responds to things. ... To figure out why and how the effect lasts for years after someone smokes their last cigarette, ...

A study led by a global research consortium offers new hope for patients with mycetoma, a neglected tropical disease.

Treatment in the future will involve using technology to figure out when to fire up the immune system or quiet it, says John Teijaro, professor of immunology and microbiology at the Scripps ...

Researchers added virus-like features to mRNA vaccines. In mice, this vaccine caused stronger, longer-lasting immune ...

The Human Immune System The key elements of the human immune system are illustrated in Figure 2. Harmful items are proteins called antigens. In the figure, the antigens are colored red and have sharp ...

Trained immunity is a form of innate immune cell memory that is being developed as a novel immunotherapeutic approach for cancer treatment.

Measles can cause “immune amnesia,” which reduces the body’s defenses against other illnesses, such as flu and tuberculosis. This reduction in immunity can happen even if a person has been ...