For decades, many of us have thought we could “boost” our immune systems with vitamin C or herbs, which would fight contagious illnesses, such as colds and the flu. But in reality, there are no quick ...

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 ...

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 ...

Vitamins and supplements like zinc and cod liver oil are often touted for their ability to boost your immune system, but Jeffrey Bland, the "father of functional medicine," says that's not actually ...

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 ...

Green tea contains beneficial compounds that may support immune health by reducing inflammation, fighting oxidative stress, ...

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, ...

NBC News medical contributor Dr. Natalie Azar and TODAY health and nutrition expert Joy Bauer stop by Studio 1A to share tips for boosting your immune system and staying healthy during the frigid ...

(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 is an independent and nonprofit source of news, analysis and commentary from academic experts.) Tom Anchordoquy, University of Colorado Anschutz Medical Campus (THE CONVERSATION) ...