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 ...

Medically reviewed by Farah Khan, MD Key Takeaways Taking vitamin C supplements can boost your immune system.Exercise ...

As much as Philly loves the start of football season, fall also signals the return of something far less exciting: cold and flu season. It usually begins in October and can last through May. The best ...

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 ...

Immunologist Dr. Jenna Macciochi explains that as we age, our immune system starts to decline. Here's how to spot an immune ...

We're officially in respiratory virus season, and it's expected to last through mid-May. There are ways to protect against viruses like Covid-19, influenza and RSV naturally. Mandy Gaither explains ...

Trillions of microbes live in the human gastrointestinal tract, where they play critical roles in our health and biology; they can help us break down food, absorb nutrients; and they affect the immune ...

Host of BBC Radio 4 programme Inside Health, James Gallagher, gathered some experts to talk about immune systems, and he ...

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 ...

ABC News' Dr. Darien Sutton shares tips to boost your defenses and stay healthy as cold and flu season approaches. As the 2025 fantasy football season comes to an end, one thing's for sure: Trevor ...