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.
The latest sunrise of the month in Phoenix is 6:15 AM on April 1 and the earliest sunrise is 35 minutes earlier at 5:40 AM on April 30. The earliest sunset is 6:48 PM on April 1 and the latest sunset is 22 minutes later at 7:10 PM on April 30. Daylight saving time is not observed in Phoenix during 2018. For reference, on June 21, the longest day of the year, the Sun rises at 5:18 AM and sets 14 hours, 22 minutes later, at 7:41 PM, while on December 21, the shortest day of the year, it rises at 7:28 AM and sets 9 hours, 56 minutes later, at 5:24 PM.