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It may seem strange, but many popular beliefs attribute surprising virtues to the onion, well beyond its role in cooking. Air purifier, ally against minor winter ailments, or even a natural repellent, this bulb is intriguing. But what does science say? And above all, what can you really expect from it by placing it in your bedroom? Let’s discover together the possible effects of this ancient practice.
1. A natural air purifier
Have you ever noticed how a chopped onion absorbs strong odors in your kitchen? The phenomenon might not stop there! Onions contain sulfur compounds that are thought to be able to absorb certain impurities present in the air. In a poorly ventilated room or one prone to unpleasant odors (tobacco, humidity, pets), a chopped onion placed in a bowl could help freshen the air naturally.
Tip : Test this method in a room where the smell lingers and see if you notice an improvement after a few hours!
2. A traditional remedy for colds and flu
For centuries, folk remedies have suggested placing an onion by the bed to ward off winter illnesses. The idea? The onion absorbs bacteria and viruses from the air, thus reducing the risk of infection. There’s no scientific evidence to support this belief , but some people report feeling better when they use this trick during colds.
Tip : If you have a cold, try this method in addition to other solutions such as eucalyptus steam inhalation.
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