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.
Examination of manufacturers recommended coolant flushing interval is typically specified as 2 years or 30,000 miles for silicated coolants (typically green color) and 5 years or 100,000 miles for extended drain coolants like Dex-Cool (orange or gold in color).