New guidelines for management of obesity from the American College of Physicians recommend diet and exercise for everyone and drugs and surgery only for obese patients who are not able to achieve weight-loss goals with diet and exercise alone. The guidelines, "Pharmacologic and Surgical Management of Obesity in Primary Care: A Clinical Practice Guideline from the American College of Physicians," were published in the April 5, 2005, issue of Annals of Internal Medicine.
People with a body mass index (BMI) over 30 might consider drug therapy after an appropriate trial of diet and exercise has failed. Surgery is for those with a BMI over 40 who also have obesity-related health problems such as high blood pressure, diabetes, or sleep apnea, ACP guidelines say.
People with a body mass index from 25-29.9 are considered overweight. Those with BMI from 30-39.9 are considered obese; people with a BMI over 40 are considered morbidly (or extremely) obese. BMI is a measure of height and weight. ACP’s new guidelines apply to patients with BMI’s of 30 and over.
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More and more automobile companies are focusing on body parts made of carbon fiber reinforced plastics (CFRP). However, manufacturing and repair costs must be further reduced in order to make CFRP more economical in use. Together with the Volkswagen AG and five other partners in the project HolQueSt 3D, the Laser Zentrum Hannover e.V. (LZH) has developed laser processes for the automatic trimming, drilling and repair of three-dimensional components.
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Reflecting the structure of composites found in nature and the ancient world, researchers at the University of Illinois at Urbana-Champaign have synthesized thin carbon nanotube (CNT) textiles that exhibit both high electrical conductivity and a level of toughness that is about fifty times higher than copper films, currently used in electronics.
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The nearby, giant radio galaxy M87 hosts a supermassive black hole (BH) and is well-known for its bright jet dominating the spectrum over ten orders of magnitude in frequency. Due to its proximity, jet prominence, and the large black hole mass, M87 is the best laboratory for investigating the formation, acceleration, and collimation of relativistic jets. A research team led by Silke Britzen from the Max Planck Institute for Radio Astronomy in Bonn, Germany, has found strong indication for turbulent processes connecting the accretion disk and the jet of that galaxy providing insights into the longstanding problem of the origin of astrophysical jets.
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The probability to find a certain number of photons inside a laser pulse usually corresponds to a classical distribution of independent events, the so-called...
Microprocessors based on atomically thin materials hold the promise of the evolution of traditional processors as well as new applications in the field of flexible electronics. Now, a TU Wien research team led by Thomas Müller has made a breakthrough in this field as part of an ongoing research project.
Two-dimensional materials, or 2D materials for short, are extremely versatile, although – or often more precisely because – they are made up of just one or a...
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