Though the NHS recommends most adults consider taking vitamin D until around March as daylight hours shrink, the service also noted: “There’s little evidence that supplements such as vitamin C, ...

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 ...

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 ...

Although winter is coming to a close, cold and flu season is still threatening our immune systems. Staying healthy is a marriage of several simple practices, according to Dr. Roger Seheult, a critical ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Even though I’m always writing about the studies on the benefits of exercise, I honestly don’t need to see the science to know ...

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 ...

The winter can seem like a bleak season for fresh produce, especially fruit. It's difficult to picture anything other than hearty winter squash and evergreen trees surviving the frigid season. While ...

A new study found that daylight boosts your immune system by helping infection-fighting cells (neutrophils) work more effectively during the day. Researchers found that your immune cells have their ...

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 ...