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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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Keloid
- Overview, Causes, & Risk Factors
- Symptoms & Signs
- Diagnosis & Tests
- Prevention & Expectations
- Treatment & Monitoring
- Attribution
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Overview, Causes, & Risk Factors
A keloid is a patch of excessive scar tissue that may form following a skin injury.
What is going on in the body?
Keloids generally form after a skin injury heals. For unknown reasons, some people produce an excess of dense, fibrous tissue at and around the site of injury. A keloid is abnormal because the scar extends above and beyond the site of the original injury. Normal scars stay confined to the site of injury.
What are the causes and risks of the condition?
The exact cause of keloids is unknown. They do run in families, however, and are associated with certain abnormal genes. Other risk factors for keloids include the following:
Keloids are associated with skin healing after injury. Some events associated with keloid formation include the following: