They also found that a healthy diet -- low fat and high fruit and fiber intake -- and exercise were linked to fewer gastrointestinal symptoms. But that was only part of the answer. After a more sophisticated analysis, one factor emerged as the most important predictor of gut symptoms: exercise.
On April 21, 2008, lights were again reported over North Phoenix by local residents. According to witnesses, the lights formed a vertical line, then spread apart and made a diamond shape. The lights also formed a U-shape at one time.
In most years, Phoenix averages a daily maximum temperature for February that's between 68 and 75 degrees Fahrenheit (20 to 24 degrees Celsius). The minimum temperature usually falls between 46 and 51 Â°F (8 to 11 Â°C).