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Late bedtimes and less sleep may lead to weight gain in healthy adults
 | A new study suggests that healthy adults with late bedtimes and chronic sleep restriction may be more susceptible to weight gain due to the increased consumption of calories during late-night hours. |
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Pre-existing insomnia linked to PTSD and other mental disorders after military deployment
 | New research found military service members who have trouble sleeping prior to deployments may be at greater risk of developing post-traumatic stress disorder (PTSD), depression and anxiety once they return home. The study found that pre-existing insomnia symptoms conferred almost as a large of a risk for those mental disorders as combat exposure. |
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Study links gene to lymphatic abnormalities
 | The often forgotten lymphatic circulatory system may be intimately involved in vascular disorders, according to a study by researchers. |
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Biomarker predicts risk of breast cancer recurrence after tamoxifen treatment
 | A biomarker reflecting expression levels of two genes in tumor tissue may be able to predict which women treated for estrogen-receptor-positive breast cancer should receive a second estrogen-blocking medication after completing tamoxifen treatment. |
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Divorce early in childhood affects parental relationships in adulthood
 | Divorce has a bigger impact on child-parent relationships if it occurs in the first few years of the child's life, according to new research. Those who experience parental divorce early in their childhood tend to have more insecure relationships with their parents as adults than those who experience divorce later, researchers say. |
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Mimicking living cells: Synthesizing ribosomes
 | Synthetic biology researchers have for the first time synthesized ribosomes from scratch in a test tube. The researchers took an approach different from their predecessors: they mimicked the natural synthesis of a ribosome, allowing natural enzymes of a cell to help facilitate the human-made construction. The technology could lead to the discovery of new antibiotics targeting ribosome assembly and the creation of tailor-made ribosomes to produce new proteins with exotic functions. |
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Survival of the Galapagos sea lion
 | The study shows that Galapagos sea lions (Zalophus wollebaeki) are more prone to starvation because of exposure to human influences like pets and pollution. These can impair the level of their immunity, making them less able to hunt and more likely to go hungry when food is scarce. |
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Getting a good night's sleep is a nightmare for many Americans
 | Summer means more hours of daylight and for many, it contributes to trouble falling asleep. More than 40 million Americans suffer from chronic sleep disorders, resulting in $18 billion in cost to employers due to sleep loss issues. |
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'First bionic eye' retinal chip for blind
 | A new bionic eye works by converting video images captured by a miniature camera, housed in the patient's glasses, into a series of small electrical pulses that are transmitted wirelessly to an array of electrodes on the surface of the retina. These pulses are intended to stimulate the retina's remaining cells resulting in the corresponding perception of patterns of light in the brain. Patients then learn to interpret these visual patterns thereby regaining some visual function. |
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