Besides basic identification info, the Top Tag also stores diet, behavior, command, medical, and burial instructions, which can be viewed and edited on any Windows 2000-or-later PC.

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The second issue with having just baseline measurements for this group is whether, as diet drink consumers, they are more likely to make significant changes to their diet and behavior over the course of a decade.

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It is based on recent research into the psychology of flourishing (so called positive psychology), consumer behavior research, experiences and research about the diet industry and weight loss, my 25 years clinical experience as a psychologist and psychoanalyst, and well over a half-century of experience eating.

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Here's an alternative hypothesis, one for the behavioral economists to look into: Maybe diet soda creates a psychological illusion of self-denial and thereby encourages gluttonous behavior.

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In one study, published in 2004, researchers found that a diet free of artificial colorings and the preservative sodium benzoate appeared to reduce hyperactive behavior among preschoolers.

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