The polycystic ovary syndrome (PCOS), the most common endocrine disorder among reproductive-age women, produces a wide variety of body changes with both physical and emotional implications for sufferers.
Many women with PCOS are found to have insulin resistance, a condition that allows excessive levels of insulin to circulate in the blood and increases the risk for Type 2 diabetes, hypertension and heart disease. PCOS is also the leading cause of androgen excess in women. Although these "male" hormones normally exist in all women in small amounts, excessive levels of androgens often lead to the development of such symptoms as acne, weight gain, the growth of unwanted hair in male-type patterns, and menstrual irregularities. PCOS is one of the leading causes of infertility in women.
Because generic questionnaires designed to measure patients health-related quality of life are unlikely to capture the full impact of the condition or detect small but meaningful improvements in therapy, researchers at McMaster University in Ontario and the University of Alabama, Birmingham (UAB) have developed a PCOS-specific questionnaire. It is the first health-status instrument to measure disease-related dysfunction in PCOS sufferers for use in clinical trials and other research.
Sandra Van | EurekAlert!
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MPQ scientists achieve long storage times for photonic quantum bits which break the lower bound for direct teleportation in a global quantum network.
Concerning the development of quantum memories for the realization of global quantum networks, scientists of the Quantum Dynamics Division led by Professor...
Researchers have developed a water cloaking concept based on electromagnetic forces that could eliminate an object's wake, greatly reducing its drag while...
Tiny pores at a cell's entryway act as miniature bouncers, letting in some electrically charged atoms--ions--but blocking others. Operating as exquisitely sensitive filters, these "ion channels" play a critical role in biological functions such as muscle contraction and the firing of brain cells.
To rapidly transport the right ions through the cell membrane, the tiny channels rely on a complex interplay between the ions and surrounding molecules,...
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.
Over the past few years, the building blocks of storage media have gotten ever smaller. But further miniaturization of the current technology is hindered by...
With innovative experiments, researchers at the Helmholtz-Zentrums Geesthacht and the Technical University Hamburg unravel why tiny metallic structures are extremely strong
Light-weight and simultaneously strong – porous metallic nanomaterials promise interesting applications as, for instance, for future aeroplanes with enhanced...
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