Although very rare, a diseased liver may cause a false reading on a breath machine. An experiment would be highly beneficial, if you can access a breath machine. This chemical is the first by-product produced by your liver when it metabolizes alcohol, and is very close to ethanol on the infrared spectrum. It can easily be misread as alcohol. So, a temperature of 103.2 F can cause a false positive reading of .06.
Men produce more of a certain enzyme which metabolizes alcohol.
Women have more body fat and less water in their bodies. This can cause women to get intoxicated faster. An expert is needed here. A list of some experts in DUI cases is shown in Form 5.11. A list of questions that you may wish to use to qualify an expert is shown in Chapter Fifteen.