Astronauts orbiting the Earth tend to suffer from immune system problems such as infections and the reactivation of dormant viruses, even on short-term spaceflights. That appears to be because a lack ...

Your immune system is like an incredibly sophisticated security team, constantly patrolling your body for threats and neutralizing them before they can cause harm. When it’s working properly, this ...

What your favorite TikTok influencer gets right — and wrong — about this widespread concern.

We don't yet know if vitamin D supplements can boost your immune system, as research on the topic has shown mixed results. If you want to try vitamin D supplements for better immune health, your ...

Neuromyelitis optica spectrum disorder (NMOSD) is a condition that affects your eyes and spinal cord. It is an autoimmune disorder where the immune system attacks healthy cells in the nervous system, ...

In a startling discovery that raises fundamental questions about human behavior, researchers at the University of Virginia School of Medicine have determined that the immune system directly affects - ...