Wednesday, March 21, 2007

Low-Cal Diet Can Give False Positive for Booze

Diet driving: Low-calorie diet produces false positives for alcohol
Swedish researchers have discovered that a low-calorie diet can register a false positive on certain in-car ignition interlock devices that disable a vehicle if alcohol is detected on one's breath. The anomaly was discovered when a non-drinking airplane pilot reported the incident. Turns out the man was on a very restrictive diet that had him losing weight rapidly, which is what may have caused the false reading. As reported in the latest issue of the International Journal of Obesity, motorists on very low-calorie diets may release certain ketones that could be converted into a secondary alcohol known as isopropanol.

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