What Causes Nosebleeds?

Picking The Nose

In children in particular, picking the nose can be the most common cause of a nosebleed. The lining of the nose is filled with small, delicate blood vessels called capillaries. Scratching the inside of the nose can cause the nose to bleed. When individuals pick their nose, they often scratch at the inside of it to try to remove debris. Nose picking is a common habit even among adults. One 1995 study indicated more than ninety percent of respondents said they sometimes engage in nose picking, while three out of every four respondents said they believed everyone does. The reasons individuals pick their noses tend to vary. Sometimes it's because the nose is too moist or dry, which leads to irritation. Some pick due to a nervous habit or boredom. A nosebleed caused by picking is unlikely to be serious. However, individuals should keep an eye on their nose to make sure they don't develop an infection.

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