The short answer: nothing. “That’s a pseudoscience term,” says Laura Purdy, MD, MBA, founder and CEO of Swell Medical.

For many conditions including immune-related ones, genetics often explains only a small fraction of the differences between ...

Gearing up for a race may affect your immune system, but you can stay healthy with these tips until you arrive at the start ...

It's challenging to reduce sugar intake, but it can help support your immune system. Doctors shared their top tips for ...

Immunologist Daniel Davis wants to eradicate long-held myths and replace them with wonder at the complexity of the body’s ...

But how does your immune system distinguish between “self” and “nonself ... For decades, scientists thought self-tolerance was primarily established in the parts of the body that make immune cells, ...

Yep, a new Scientific Reports study found that endurance exercise (think: long-distance running, swimming, or cycling) is ...

Google's AI model discovers new pathways to turn "cold" tumors into immune-visible "hot" ones, potentially making untreatable ...

Your immune system is a network of cells, tissues, and organs that fight off infection. Your immune system can be affected by sleep, diet, and stress.

Coming in as the most vitamin A–rich food, three ounces of pan-fried beef liver contain 6,582 micrograms (mcg) of the vitamin ...

Kefir, like many other fermented foods (e.g., yogurt, kombucha, kimchi, unpasteurized sauerkraut) also contains a mix of ...

Sniffle season is officially back. From crowded classrooms and office meetings to indoor sporting events and concerts, germs are everywhere this time of year. Health experts say fall and winter bring ...