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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the Center for Epidemiologic Studies Depression (CES-D) Scale
the Children's Depression Inventory (CDI) 18
A person who screens positively on one of these tests should have a comprehensive evaluation for depression. The evaluation may include a medical history, physical examination, and laboratory tests.