The thymus is a small organ located in the upper chest that plays a central role in the immune system: it produces T cells - ...

The article, titled "Emerging roles of immune cell-derived neurotransmitters in immunity and disease," published on March 17, ...

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 ...

Your immune system is your body’s first line of defense against harmful invaders, such as bacteria, viruses, and toxins. Maintaining its strength is essential for overall health, and the foods you eat ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Here’s what you’ll learn when you read this story: The immune system function declines with age, but a ...

Add Yahoo as a preferred source to see more of our stories on Google. These immunity-supporting foods can help you stay healthy and vibrant all winter long. With cold and flu season around the corner, ...

When a virus enters the lungs, the immune system has to react fast. The lung maintains its own community of immune cells ...

Eating fruits, vegetables, lean proteins, and healthy fats can boost your immune system. Regular exercise can help regulate and boost immune function but don't overdo it. Getting enough sleep each ...

Daily usage of a popular over-the-counter medication may compromise immune function while offering temporary pain relief, recent findings indicate. Millions reach for their medicine cabinet daily, ...