Quick Answer. HowStuffWorks explains that food poisoning often occurs when a person eats spoiled food. Common symptoms of food poisoning are stomach pain, diarrhea, nausea, vomiting and cramping.
Confusion continues over coolant colors for cars. Of course, there is still the good old green stuff, but there is also orange, yellow (gold and amber), red, pink, blue and, if you mix the wrong things together, brown. Despite the rainbow of colors, all antifreeze starts out colorless.
The water is coming from your A/C system and is normal unless it has a color associated with it. Any coloration in the liquid would indicate a coolant leak and would not be normal. All A/Cs remove moisture from the cabin air and that's what you're seeing on the ground, as long as its nothing but clear water.