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Attention, chocolate lovers: You may not be able to help yourselves. Swiss and British scientists have linked the widespread love of chocolate to a chemical "signature" that may be programmed into our metabolic systems.
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Nosebleed
- Overview, Causes, & Risk Factors
- Symptoms & Signs
- Diagnosis & Tests
- Prevention & Expectations
- Treatment & Monitoring
- Attribution
- View All
Overview, Causes, & Risk Factors
A nosebleed is usually caused by a damaged blood vessel that leaks blood. Nosebleeds can affect all ages, but they are twice as common in children as in adults.
What is going on in the body?
When the blood vessels in the nose are damaged, they can bleed. Bleeding is most often limited to one nostril. If there is severe trauma to the nose, both nostrils may bleed.
What are the causes and risks of the condition?
Several possible causes of a nosebleed are as follows: