“Stick a few cloves into a peeled onion and leave it in your room overnight to cure a cold!”

It sounds odd—but generations of families have used this simple remedy to ease congestion, purify the air, and even fight off illness. And while it may seem like folklore, there’s actually some science behind the practice… along with a few important caveats.

Let’s peel back the layers (pun intended) and explore what this remedy really does—and what it doesn’t.

🌿 What’s the Remedy?

The traditional method is simple:

1. Peel a whole onion (white or yellow).
2. Insert 6–12 whole cloves into it like studs.
3. Place it in a saucer or bowl in your bedroom, near your bed, or in a sick room—overnight or for several days.

Many claim it:

• Absorbs germs from the air
• Helps clear nasal congestion
• Promotes restful sleep during illness
• Neutralizes odors and “purifies” the air

🔬 What Science Actually Says

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