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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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Genetic Testing
Results and Values
What do the test results mean?
Biochemical tests are sometimes imprecise. Often, such tests are repeated. If the first test is definite and the repeat is positive, the disease is present. DNA tests are definite. If an abnormal sequence of coding elements is found, the disease is present. Repeat testing is not necessary. Chromosome analysis also is definite. Repeat testing is not necessary.