In recent years, the increase in knowledge about the functioning of the immune system has revealed not only its importance in the defense against external agents such as pathogens or toxins, but also ...

When the heart's muscle is weakened or injured due to a heart attack, it can make it hard for the heart to pump enough blood to meet the body's needs. Over time, it can lead to heart failure, where ...

Medically reviewed by Daniel Combs, MD Key Takeaways In OSA, the complex interplay between intermittent oxygen deprivation, ...

Your immune system may be weak if you have frequent, severe, or extended infections. Learn more signs of a weak immune system.

Brain tissue analysis of an animal model has revealed the potential role of immune system dysfunction in the onset and progression of Alzheimer's disease (AD). Published April 15, 2025 in the Journal ...

The immune system’s primary responsibility is to recognize and target invading pathogens. Various immune cells are orchestrated to carry out this responsibility. Additionally, these cells are ...

The committee will review select conditions related to the immune system and address diagnosis, treatment, and prognosis of those conditions. The select conditions should include but may not be ...

A new laboratory method developed by researchers at Columbia University Vagelos College of Physicians and Surgeons may now help physicians more quickly diagnose patients with suspected genetic ...

Live Science spoke with the scientists behind an upcoming clinical trial testing an immune therapy for depression.

Something’s shifting in the world of children’s health, and it’s not good news. Autoimmune diseases—those tricky conditions where the body’s immune system turns on itself—are cropping up more often in ...