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Health & Medicine News
Fri, 28 Jul 2017 12:14:14 EDT
Artificial light from digital devices lessens sleep quality
Blue light emitted from digital devices could contribute to the high prevalence of reported sleep dysfunction, suggests new research.
Fri, 28 Jul 2017 10:09:37 EDT
Dementia: BACE inhibitor improves brain function
The protein amyloid beta is believed to be the major cause of Alzheimer's disease. Substances that reduce the production of amyloid beta, such as BACE inhibitors, are therefore promising candidates for new drug treatments. Scientists have recently demonstrated that one such BACE inhibitor reduces the amount of amyloid beta in the brain. By doing so, it can restore the normal function of nerve cells and significantly improve memory performance.
Fri, 28 Jul 2017 10:09:33 EDT
Green tea ingredient may ameliorate memory impairment, brain insulin resistance, and obesity
A new study involving mice, suggests that EGCG (epigallocatechin-3-gallate), the most abundant catechin and biologically active component in green tea, could alleviate high-fat and high-fructose (HFFD)-induced insulin resistance and cognitive impairment.
Fri, 28 Jul 2017 10:08:40 EDT
Scientists reel in structure of salmon virus
The structure of a protein key to the survival and spread of a virus that affects salmon could help researchers form strategies to treat the flu in humans.
Fri, 28 Jul 2017 10:08:29 EDT
'Missing lead' in Flint water pipes confirms cause of crisis
A study of lead service lines in Flint's damaged drinking water system reveals a Swiss cheese pattern in the pipes' interior crust, with holes where the lead used to be. The findings support the generally accepted understanding that lead leached into the system because that water wasn't treated to prevent corrosion. Researchers say the findings underscore how important uninterrupted anti-corrosion treatment is for the aging water systems that serve millions of American homes.
Fri, 28 Jul 2017 09:28:24 EDT
Drug improves brain performance in Rett syndrome mice
A brain penetrant drug -- a small-molecule mimetic of BDNF, or brain derived neurotrophic factor -- is able to improve brain performance in Rett syndrome mice -- specifically synaptic plasticity in the hippocampus and object location memory. The hippocampus is involved in learning and memory.
Fri, 28 Jul 2017 09:26:18 EDT
Estrogen regulates pathological changes of bones via bone lining cells
The female sex hormone estrogen plays an important role in the structural stability of bones. To date, however, it had been unclear exactly which cells were involved in the hormone's protective function. Researchers have now shown for the first time that estrogen uses bone lining cells to regulate the expression of the protein RANKL. Estrogen deficiency leads to uncontrolled expression of RANKL, which can trigger pathological changes in the bones.
Fri, 28 Jul 2017 09:26:03 EDT
How human cells maintain the correct number of chromosomes
Researchers have discovered an important part of the mechanism involved in how chromosomes are pulled apart during cell division, so that one complete set goes into each of the new cells.
Fri, 28 Jul 2017 09:26:00 EDT
2 methods to de-identify large patient datasets greatly reduced risk of re-identification
Two de-identification methods, k-anonymization and adding a 'fuzzy factor,' significantly reduced the risk of re-identification of patients in a dataset of 5 million patient records from a large cervical cancer screening program in Norway.
Fri, 28 Jul 2017 09:25:58 EDT
Sleep or sex? How the fruit fly decides
Choosing between sex or sleep presents a behavioral quandary for many species, including the fruit fly. A multi-institution team has found that, in Drosophila at least, males and females deal with these competing imperatives in fundamentally different ways.
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