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Christmas Tree Syndrome: 6 Warning Signs and How to Stay Safe This Holiday

That festive pine scent might hide a sneaky health risk. From mouldy branches to dusty decorations, here’s why your holiday **tree** could leave you wheezing—and how to fight back.

This image a little blurred. This image is taken indoors. In the middle of the image there is a...
This image a little blurred. This image is taken indoors. In the middle of the image there is a Christmas tree decorated with lights and decorative items.

Christmas Tree Syndrome: 6 Warning Signs and How to Stay Safe This Holiday

Real Christmas trees often carry mould spores, which thrive in warm indoor environments. When these spores spread, they can lead to allergic reactions. A survey found that 33% of asthma sufferers react to mould and fungi, while 50% are affected by dust.

Natural trees also release compounds called terpenes, which can irritate the airways. Symptoms of Christmas Tree Syndrome include sneezing, wheezing, itchy eyes, a runny or stuffy nose, and coughing. In severe cases, exposure may even trigger a life-threatening asthma attack.

Artificial trees are not risk-free either. If stored improperly, they can collect dust and mould, causing similar problems. To reduce risks, experts suggest storing them in airtight containers and cleaning them outdoors before use.

For those bringing in real trees, spraying them with water beforehand can help remove mould. Using an air humidifier indoors may also lower irritation. People with severe allergies or asthma might consider switching to artificial trees if mould is a known trigger.

Christmas Tree Syndrome affects many, particularly those with lung conditions. Proper storage, cleaning, and humidity control can reduce symptoms. Taking these steps helps ensure a safer holiday season for vulnerable individuals.

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