Zia Sherrell is a health journalist, copywriter, and freelance writing mentor with over 1 million published words across major publications, including Healthline, Medical News Today, Business Insider, ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." This winter is seeing record-breaking levels of viral infections. The combination of flu, COVID-19, and ...

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Grapefruit is a vibrant citrus fruit perhaps best known for its tart, bittersweet flavor. In recent years, studies have backed the fruit’s health benefits. Grapefruit has a few unique qualities that ...

Noshing on this refreshing citrus fruit may help keep your immune system humming and your skin glowing, among other possible perks. In the year’s darkest, coldest days, there’s one bright spot you can ...

Medically reviewed by Suzanne Fisher, RD Vitamin C is an essential vitamin that can boost your immune system by stimulating the production of white blood cells. It also helps your white blood cells ...

Add Yahoo as a preferred source to see more of our stories on Google. Meet the experts: Lauren Manaker, R.D.N., a Charleston-based registered dietitian and author; and Elana Bodner, C.N.S., a ...