Beth Shepard, MS, Exercise Physiologist, Contributing Writer:   A new study released by the American Academy of Sleep Medicine links obesity in teenagers to reduced sleep caused by excessive use of technology and caffeine. Researchers studied a group of 320 children, gathering data on nutrition and physical activity habits. Results showed that those who slept less consumed more caffeine and spent more time on screen-based activities ― like television, video games, Internet, and co... [More]