Medically reviewed by Farah Khan, MD Key Takeaways Taking vitamin C supplements can boost your immune system.Exercise regularly to help your immune system stay strong.Eating citrus fruits can reduce ...

Dr Jenna Macciochi says that ‘our immune system is the single greatest arbiter of both how long we live and the quality of those years’ - Christopher Pledger We know what our immune system is about.

The NIH Office of Dietary Supplements published a fact sheet in March 2025 reviewing the evidence behind vitamins C, D, and A ...

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 ...

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 ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." We live in a time in which we have a vaccine, medication or other treatment strategy for almost any ...

Recent studies have shown that even if you feel healthy and fit, your immune system could be aging quicker than you think, which could increase the risk of infections and immune-related disorders.

There’s a lot of truth to the adage “food is medicine.” While medications are certainly important and necessary, there is a direct relationship between diet and immune health. Nutrients both directly ...

FRESNO, Calif. (KFSN) -- It's the season of family get-togethers, but also a season of respiratory viruses. "During the colder months, a lot of people are inside, so you see a lot of kids in school," ...