What Really Happens to Your Body When You Use Saline Every Day

When you’re trying to breathe easier during allergy season or helping your little one through a stuffy-nose spell, saline nasal spray can feel like a miracle in a bottle.

Millions of people use saline every day—it’s available over the counter, and gentle enough for nearly every age—but few realize how this simple saltwater solution actually affects the body.

Here’s what a doctor wants you to know before making it a habit.

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