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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.

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 often think about our immune system when a breakdown happens—AKA the sniffles start. Sick happens, and nothing can prevent anyone from never, ever coming down with an illness. However, it is ...

Drinking plenty of water is key for maintaining a healthy immune system—but there are also certain beverages that can support ...

This story is from Manual, GQ’s flagship newsletter offering useful advice on style, health, and more, four days a week. Sign up here to get it in your inbox. Each year, supplement brands fall over ...

As much as Philly loves the start of football season, fall also signals the return of something far less exciting: cold and flu season. It usually begins in October and can last through May. The best ...

"I've heard, 'I can boost my immune system if I take a lot of vitamins.' It could be vitamin D, vitamin A [or] zinc," Bland says. "[But] those nutrients don't boost the immune system. Those nutrients ...