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.
And they've known what comes out of the boxâphotons, or light, in the form of the yellow, green, orange, and even blue flickers you see dancing across your backyard on summer nights. But until recently, the actual chemical reactions that produce the firefly's light have been shrouded in mystery.