At least three people were killed and at least 141 others were injured as two powerful explosions rocked the Boston Marathon finish line in a potential terrorist attack Monday afternoon.When the smoke cleared after the blasts in Boston’s Back Bay section, dozens of victims lay in the street, some unconscious, some grievously injured, including some whose limbs had been torn off by the blast, Boston Globe reported.
Washington - Two gene variants that increase the risk of common childhood obesity have been identified by researchers.
Although factors such as food choices and sedentary habits contribute to the increasing rates of obesity in childhood, studies have suggested a genetic component to the disease as well. Obese adolescents tend to have higher risk of mortality as adults.
Researchers at the Children's Hospital of Philadelphia studied DNA from children with common obesity and analyzed previous studies on the subject, Xinhua reported.
They identified two gene variants, one on chromosome 13 and the other on chromosome 17. None of them were previously implicated in obesity.
The study was published on the online edition of Nature Genetics.
Previous studies have identified gene variants contributing to obesity in adults and in children with extreme obesity, but relatively little is known about genes implicated in regular childhood obesity.
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Today : Tuesday - May 21, 2013, 11:47am (GMT+5.5)
