Learn how magnesium and vitamin C support immunity and energy in different ways, which nutrient plays a more direct role, and ...

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Nick Blackmer is a librarian, fact-checker, and researcher with more than 20 years of experience in consumer-facing health and wellness content. Vitamin C and vitamin D both support immune function in ...

Tattoo ink collects in lymph nodes and interferes with the immune system, causing potentially lifelong changes to the body’s disease-fighting mechanisms. That is the conclusion of a study in mice, in ...

Lindsey DeSoto, RD, is a nutrition writer, medical reviewer, and registered dietitian who helps clients improve their diet for health-related reasons. Her writing covers a variety of topics, including ...

Tattoo ink doesn’t just sit inertly in the skin. New research shows it moves rapidly into the lymphatic system, where it can persist for months, kill immune cells, and even disrupt how the body ...

Tattoo ink doesn’t just sit inertly in the skin. New research shows it moves rapidly into the lymphatic system, where it can persist for months, kill immune cells, and even disrupt how the body ...

The hepatitis C virus—HCV—can persist in the livers of those infected and even lead to liver disease or failure in extreme cases. It affects tens of millions of people worldwide and there is no ...

As cold and flu season ramps up and holiday travel begins, many people reach for vitamin C supplements to help prevent getting sick on the road. It’s a common belief that a mega-dose of vitamin C will ...

The women in my family are hardy, to put it lightly. They have shaken off countless illnesses and powered through pregnancies. They’ve managed this in spite of questionable lifestyle choices (let’s ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." We’ve officially reached the time of year when it’s easiest to get sick, which starts at the beginning of ...

When respiratory virus season hits, it’s fair to want to do everything you can to supercharge your immune system. But while supplements come up a lot, it’s hard to know which to choose. When it comes ...