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.
Over the course of the year, the temperature in Phoenix typically varies from 45Â°F to 107Â°F and is rarely below 38Â°F or above 112Â°F. The hot season lasts for 114 days, from May 29 to September 20, with an average daily high temperature above 98Â°F. The hottest day of the year is July 5, with an average high of 107Â°F and low of 84Â°F.