Disease can arise both when immune cells are too active and when they're not active enough. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. For ...

T cell activation—the process by which these key immune defenders recognize threats and mobilize against them—depends on exquisitely timed molecular signals. Now researchers have captured one of the ...

Aimee Pugh Bernard is affiliated with Immunize Colorado as a volunteer and unpaid board member. Every day, your immune system performs a delicate balancing act, defending you from thousands of ...

From childhood coughs and colds, through meningitis B in teens and shingles in older people, here’s how our immunity to ...

From your digestive system to sleep, here are the overlooked signals that indicate your health could be struggling ...

Small food protein signals teach immune cells to accept food. The finding helps explain how the body prevents food allergies.

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 ...