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Antidepressant use is associated with an increased risk of head injuries and traumatic brain injuries among persons with Alzheimer’s disease, according to a new study. Antidepressant use has previously been linked with an increased risk of falls and hip fractures, but the risk of head injuries has not been studied before.
Researchers have used X-ray crystallography and electron microscopy to resolve the assembly of the export gate apparatus in Salmonella. The new details of this nanomachine are expected to clarify how bacteria infect eukaryotic cells and present new molecular targets for drug discovery.
The extent and depth of lakes in glaciated regions of North America are controlled by climate and the influence of differential isostatic rebound of the land's surface that began when Pleistocene ice melted from the continent. This relationship and the post-glacial history of Lake of the Woods -- one of the largest lake complexes in North America and the source of water for the city of Winnipeg -- is presented for the first time in a new study by five Canadian researchers.
Energy bills could be cut by more than 60 percent -- saving the average household over £600 a year -- if homes were designed to generate, store and release their own solar energy, a report has revealed. The concept has already been proven and is operating successfully on a building in the UK.
Wind energy development in the Great Plains is increasing, spurring concern about its potential effects on grassland birds, the most rapidly declining avian group in North America. However, a new study suggests that for one grassland bird species of concern -- the greater prairie-chicken -- wind energy infrastructure has little to no effect on nesting. Instead, roads and livestock grazing remain the most significant threats to its successful reproduction.
Positive parental teamwork is key to promoting healthy child development, but when mothers have stronger opinions than fathers about how to tend to their infants in the middle of the night, the coparenting relationship can suffer, says a group of researchers.
Bone marrow fat is thought to regulate bone metabolism, and high levels of marrow fat are seen in states of low bone mass, severe underweight, and diabetes.
A new report confirms that 2016 was another exceptionally warm year, with global temperature having reached 0.77± 0.09 degrees C above its level between 1961 and 1990.
Marijuana use is associated with a three-fold risk of death from hypertension, according to new research.
Researchers have identified how natural killer cells in the mouse placenta can cause a fetus to fail to grow in the womb or cause miscarriages.