young woman getting a vaccination shot


Can eating more broccoli boost your immune system? Do you need to take zinc? What should you do if you catch a bug? Here’s what matters.

a woman with fresh produce

Foods & immunity

What’s the catch?

From spinach to sweet potatoes and papayas, there’s no shortage of claims about foods—or supplements—that can kick immunity into high gear. But can you really supercharge your immune system with a healthy diet?

See the catch

Colds and flu: What helps? What's a waste of money?

There’s still no cure for the common cold or flu. Here’s what will—or won’t—curb your risk or your symptoms.

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