On the defense

7 best foods for improving immunity, backed by science

Here’s what to add to your diet to strengthen your body’s defenses.

Feliks Tomasz Konczakowski

Your immune system is a complex array of organs, tissues, and proteins that work together to fight off viruses and bacteria.

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Science points to a few strategies that can help strengthen your body’s defenses against viruses.

1. Getting ample exercise

2. Getting quality sleep

3. Keeping your stress levels low

4. Ensuring good nutrition