While the fabled fountain of youth may not actually exist, a new type of therapy now does.

Your immune system is your body’s built-in defense network, working nonstop to protect you from bacteria, viruses, and other ...

NBC News medical contributor Dr. Natalie Azar and TODAY health and nutrition expert Joy Bauer stop by Studio 1A to share tips ...

Brace yourself: Flu season is around the corner. Soon, subways, schools and offices will be filled with sniffling, sneezing and wheezing as the dreaded virus makes its sickening comeback. Want to ...

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 ...

Fruits rich in vitamin C, like kiwi, oranges, and grapefruit, help strengthen immune defenses and reduce inflammation. Antioxidant-rich fruits such as pomegranate, blueberries, and mango protect cells ...

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 ...

Respiratory virus season typically peaks between December and February, so now is the time to get ready. "I am anticipating, as I think we all are, a rough respiratory season," said Dr. Sarah Nosal, ...

Winter calls for juicy defense. From guavas to oranges, these winter fruits are packed with immune-boosting power — and flavor — when you need it most.

The Indigenous Food Lab has a spicy drink to boost immunity and cut through any congestion in your lungs and throat this ...

Chronic stress doesn't just affect your mood, it can weaken immune defences, increase inflammation, and leave the body ...

Somehow we’re at back-to-school already. I do look forward to certain aspects of back to school, like the excited stories about how the school day was. But I definitely dread the blast of illness we ...