Immunologist Dr. Jenna Macciochi explains that as we age, our immune system starts to decline. Here's how to spot an immune system that isn't functioning optimally – and what to do about it ...

Every day, your immune system performs a delicate balancing act, defending you from thousands of pathogens that cause disease while sparing your body's own healthy cells. This careful equilibrium is ...

We all get sick sometimes. Even something pretty minor, like a cold or flu, can be enough to disrupt your life for a few days. When you have a minor illness, it does more than just make you feel ...

(CNN) — The 2025 Nobel Prize in physiology or medicine has been awarded to a trio of scientists – two of them American and one Japanese – for unraveling how the immune system protects us from ...

Researchers are testing CAR T-cell therapy as a treatment for lupus, Graves’ disease and other conditions in which the body’s ...

LA JOLLA (July 29, 2025)—Of the 3.6 million babies born in the United States each year, around 80 percent begin breastfeeding in their first month of life. Breastfeeding has known benefits for both ...

Learn how the asthma drug montelukast helped restore immune attacks against tumors in several cancer types.