A healthy immune system is one of the keys to a healthy life. It’s what protects your body from infection. If your immune ...

We often think about our immune system when a breakdown happens—AKA the sniffles start. Sick happens, and nothing can prevent ...

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 ...