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Skeptical gift guide

Fat checker?

The Tanita Ironman Body Composition Monitor purportedly measures fat. (Tanita)

Bracelet power?

The Q-Ray bracelet was the centerpiece of a landmark false advertising lawsuit by the Federal Trade Commission. (Anne Cusack / Los Angeles Times)

Healthy chocolate?

Health by Chocolate bars are said to have benefits for skin and bones. (Anne Cusack / Los Angeles Times)

Counting sleep?

Sleeptracker promises to monitor sleep phases. (Sleeptracker)

Stress feedback?

The StressEraser is a hand-held biofeedback device that promises stress-free living. (StressEraser)

Sanitizer on demand

Just how convenient do you need your hand sanitizer need to be? (Anne Cusack / Los Angeles Times)