News:Working Overnights May Hurt Your Heart

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(WikiDoc) - The hormonal changes that can come with working overnights may put those workers at increased risk for diabetes, cardiovascular disease and obesity, according to a study in the Proceedings of the National Academy of Sciences. The small lab test showed volunteers experienced short-term drops in the weight-regulating hormone leptin, and saw other changes in blood sugar and insulin levels. The author, a doctor at Brigham and Women's sleep medicine division in Boston, concedes further and more extensive testing should be done on shift workers before any major conclusions are drawn.