Fat checker?
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Skeptical gift guide

The Tanita Ironman Body Composition Monitor purportedly measures fat. (Tanita)
The Q-Ray bracelet was the centerpiece of a landmark false advertising lawsuit by the Federal Trade Commission. (Anne Cusack / Los Angeles Times)
Health by Chocolate bars are said to have benefits for skin and bones. (Anne Cusack / Los Angeles Times)
Sleeptracker promises to monitor sleep phases. (Sleeptracker)
The StressEraser is a hand-held biofeedback device that promises “stress-free living.” (StressEraser)
Just how convenient do you need your hand sanitizer need to be? (Anne Cusack / Los Angeles Times)