Your immune system is your body’s built-in defense network, working nonstop to protect you from bacteria, viruses, and other harmful invaders. Your immune system includes two main parts: the innate ...

Once we hit our fifties, many people notice that bouncing back from a cold or shaking off fatigue takes a little longer than it used to. That’s because our immune system naturally changes with age, ...

We often think about our immune system when a breakdown happens—AKA the sniffles start. Sick happens, and nothing can prevent anyone from never, ever coming down with an illness. However, it is ...

Add Yahoo as a preferred source to see more of our stories on Google. Good news: You don’t have to be sidelined by a cold, the flu or another virus making the rounds this sick season. We reveal how to ...

Carrie Madormo, RN, MPH, is a health writer. She has over a decade of experience as a registered nurse, practicing in a variety of fields, such as pediatrics, oncology, chronic pain, and public health ...

Lindsey DeSoto, RD, is a nutrition writer, medical reviewer, and registered dietitian who helps clients improve their diet for health-related reasons. Her writing covers a variety of topics, including ...

I am lying under a blanket, feeling rough, staring at a bowl of oranges. Every fibre of my being is urging me to devour the lot. I can hear my mum – and medical friends at university – insisting that ...

Cancer is one of the leading causes of death globally, with increasing numbers in incidence and mortality. Cancer incidence is projected to increase by 70% ...

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 ...