Warning: The water on airplanes that you use to wash you hands, brush your teeth and drink can be extremely hazardous to your health_even kill you, an ENQUIRER investigation reveals.In a recent study, tap water from 14 flights was analyzed and found to contain everything from salmonella and staphylococcus, to insect eggs and fecal matter! "I have been testing potable water for 26 years, and I have never seen bacterial levels so high," Dr Donald Hendrickson, the microbiologist who tested the samples, told the Enquirer."In the past, I'd sometimes see contamination levels at 6,000 and 7,000 (units per milliliter) and...