Immune System

immune, cell,
(Image credit: Shutterstock)

When it comes down to it, it's your immune system versus the world. From "innate" immunity — which protects your body against basic threats — to "adaptive" immunity, which homes in on specific targets, your immune system has you covered. Sometimes, however, your immune system can turn against you, leading to autoimmune diseases. To keep up with all things immune, check here for the latest news.

Latest about Immune System

t-cells

Immune System: Diseases, Disorders & Function

By Kim Ann Zimmermann last updated

The job of the immune system is to protect against disease.

illustration of b cells

Scientists finally have proof of mysterious immune cell in humans

By Nicoletta Lanese published

The existence of these cells was hotly debated.

a microscopic image depicts a neutrophil casting a net to catch bacteria

How 'Spider-Man' and 'Pac-Man' immune cells team up to fight invasive bacteria

By Nicoletta Lanese published

You might not see this germ-fighting duo in the next superhero blockbuster, but they work wonders in the immune system.

Square cheese crackers.

Chemical found in 1,000 processed foods may harm the immune system

By Ashley P. Taylor published

The food preservative is found in Pop-Tarts, Cheez-Its and many other processed foods.

a coronavirus being attacked by antibodies

What are antibodies?

By Tia Ghose published

These Y-shaped molecules can precisely target and neutralize viruses, bacteria and other foreign invaders.

Bernice Madigan was the world’s fifth-oldest living person until her death at age 115 in January 2015.

World's Oldest People May Have Supercharged Immune Cells

By Stephanie Pappas published

People who live to 110 seem to have unusually high levels of a rare immune cell.

Mom putting laundry in washing machine.

Washing Machines May Sometimes Harbor Drug-Resistant Bacteria, Report Says

By Rachael Rettner published

A new study suggests that washing machines can sometimes harbor drug-resistant bacteria.

microscopic holes, mac

First-Ever Video Shows Immune System Blowing Holes in Bacteria

By Rafi Letzter published

A microscopic video of the human immune system in action reveals how our bodies blow tiny holes in foreign bacteria, while leaving our own cells intact

Researchers discovered a previously unknown network of capillaries called trans-cortical vessels (lines extending outward in the photo) in mouse bones.

Tiny, Previously Undiscovered Capillaries May Exist Inside People's Bones

By Yasemin Saplakoglu published

These tiny tunnels were spotted in lab mice and traces of it in one inquisitive researcher.

Corticosteroid medication

What Are Corticosteroids?

By Rachel Ross published

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