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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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Acquired Sensitivity Reaction - Allergic Reactions
- Overview, Causes, & Risk Factors
- Symptoms & Signs
- Diagnosis & Tests
- Prevention & Expectations
- Treatment & Monitoring
- Attribution
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Diagnosis & Tests
How is the condition diagnosed?
Diagnosis of an allergic reaction begins with a medical history and physical examination. In some cases, special skin tests or other allergy testing may be needed to determine the trigger. In skin testing, small amounts of the suspected substance can be injected under the skin. If a person is allergic to the substance, a skin reaction usually occurs.