lunes, 6 de septiembre de 2010

Poor sleep affects teenagers' diets

Teens who sleep less than eight hours per day eat more fatty foods than those who rely most of the time per night, said a group of U.S. researchers.The experts argued that sleep deprivation can cause chronic changes in the diet can raise the risk of obesity, especially among girls and the Teenagers' diets.Previous studies have shown that insufficient sleep can lead to weight gain, but new findings show where they come from the extra calories.Increase intake of fatty foods, which usually have more calories can increase the number of calories consumed daily, and if that occurs routinely, and the Teenagers' diets can lead to excess body fat.
"The demonstration of altered dietary patterns in adolescents chronically short sleepers gives an idea of why a little dream is associated with obesity in previous experimental studies," said Dr. Susan Redline, the Women's Hospital Brigham and Beth Israel Deaconess Medical Center in Boston, whose study appears in the journal Sleep.

Teenagers' diets

Redline and her colleagues studied 240 adolescents aged 16 to 19 years who participated in a sleep study. His habits were monitored at home through a device placed in the wrist and food intake was estimated through interviews by trained personnel and the Teenagers' diets.The team found that teens who slept less than eight hours Monday to Friday consumed 2.2 percent more calories derived from fat and 3 percent fewer calories from carbohydrates that teens who slept eight hours or more .
"The relative increase in fat intake among those who slept less than 2.2 percent on a constant daily may contribute to cumulative increases in energy consumption could increase the risk of obesity and cardiovascular disease," Redline said in a statement.

Diet and Sleep

The team found that each additional hour of sleep decreased on average by 21 percent the chances of eating a high amount of calories through snacks in the Teenagers' diets.Interestingly, when they made the distinction by gender, the authors found that the results were statistically significant in girls but not boys.Although it is unclear why, the team said it may be that adolescents are more likely to use food for emotional reasons than boys, but that should be studied.Only 34 percent of teens who participated in the study slept an average of eight hours or more. According to the American Academy of Sleep Medicine, adolescents need at least nine hours of sleep to feel alert and well rested and the Teenagers' diets..

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