Add Yahoo as a preferred source to see more of our stories on Google. Researchers are studying the potential of gold nanoparticles (yellow dots) to deliver drugs into the body. Veronika Sapozhnikova, ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Regulatory T cells (red) interact with other immune cells (blue) and modulate immune responses. National Institute of Allergy and ...

For centuries, the nature of a fever — and whether it's good or bad — has been hotly contested. In ancient Greece, the physician Hippocrates thought that fever had useful qualities, and could cook an ...

1:42 Canada may lose measles elimination status if outbreak not brought under control As measles cases surge worldwide, experts are raising alarms about a lesser-known danger: immune amnesia. The ...

(THE CONVERSATION) When the first cells appeared on Earth approximately 3.8 billion years ago, viruses were already here to greet them. Ever since, viruses have been devising ways to infect cells, and ...

(THE CONVERSATION) 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 ...

When the first cells appeared on Earth approximately 3.8 billion years ago, viruses were already here to greet them. Ever since, viruses have been devising ways to infect cells, and cells have been ...