Why can the human immune system often remember a vaccination for a whole lifetime? Researchers at ...

Sat, January 24, 2026 at 2:56 PM UTC The immune system is the body’s natural defense network that helps to keep you healthy from things like bacteria, viruses, and parasites. It’s a complex network of ...

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

In the recent decades, there has been an increase in the aging population across the world coupled with declining birth rates and an increased lifespan of individuals. The proportion of the elderly in ...

Herpes simplex virus is a master of bad timing—reappearing briefly, often unnoticed, and just long enough to keep the immune system on its toes. In its genital form, herpes simplex virus type 2 (HSV-2 ...

What impact does a viral infection have on our memory, attention, and concentration? The COVID-19 pandemic has reignited ...