A computer-based simulation model suggests that short-term hormone therapy (HT) is associated with increases in quality of life for women with menopausal symptoms, but may shorten life expectancy, according to an article in the August 9/23 issue of The Archives of Internal Medicine, one of the JAMA/Archives journals.
According to information in the article, decisions concerning menopausal hormone therapy (HT) are difficult due to the complexity of balancing the risks and benefits of this treatment. HT is an effective treatment for menopausal symptoms and decreases the risks of osteoporosis and colorectal cancer, but it may also increase the risk of coronary heart disease, stroke, blood clots and breast cancer.
Nananda F. Col, M.D., M.P.P., M.P.H., of Rhode Island Hospital, Providence, and colleagues investigated which women would benefit from short-term HT by weighing symptom relief against risks of causing disease.
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The miniaturization of the current technology of storage media is hindered by fundamental limits of quantum mechanics. A new approach consists in using so-called spin-crossover molecules as the smallest possible storage unit. Similar to normal hard drives, these special molecules can save information via their magnetic state. A research team from Kiel University has now managed to successfully place a new class of spin-crossover molecules onto a surface and to improve the molecule’s storage capacity. The storage density of conventional hard drives could therefore theoretically be increased by more than one hundred fold. The study has been published in the scientific journal Nano Letters.
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Physicists in the Laboratory for Attosecond Physics (run jointly by LMU Munich and the Max Planck Institute for Quantum Optics) have developed an attosecond electron microscope that allows them to visualize the dispersion of light in time and space, and observe the motions of electrons in atoms.
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08.12.2017 | Information Technology
08.12.2017 | Information Technology