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 ...

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 ...

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 ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." We live in a time in which we have a vaccine, medication or other treatment strategy for almost any ...

What are probiotics and why are they so important? This guide explains how beneficial bacteria in foods like yogurt can strengthen your gut health and boost your immune system.

Recent studies have shown that even if you feel healthy and fit, your immune system could be aging quicker than you think, which could increase the risk of infections and immune-related disorders.

Regulatory T cells (red) interact with other immune cells (blue) and modulate immune responses. National Institute of Allergy and Infectious Diseases/NIH via Flickr Every day, your immune system ...

It’s easy to feel helpless as we all face this invisible enemy. It’s an enemy that we can’t shoot and can’t mobilize our vast armies to overcome. But wait, we do have a major internal force—in fact, ...