Echinacea is not effective in shortening the duration or decreasing the severity of upper respiratory tract infections in children, according to a study in the December 3 issue of The Journal of the American Medical Association (JAMA).
Upper respiratory tract infections (URIs) are a significant health burden in childhood, according to background information in the article. The average child has six to eight colds each year, each lasting seven to nine days. While children are frequently given drugs such as decongestants, antihistamines, and cough suppressants to reduce symptoms, there is little evidence that these medications are effective in children younger than 12 years. The authors add that it has been estimated that 11 percent to 21 percent of children in the United States and Canada who are receiving care from conventional physicians are also using alternative therapies. Echinacea, one of the most commonly used herbal remedies in the U.S., has been used extensively for the prevention and treatment of URIs in adults.
James A. Taylor, M.D., from the University of Washington, Seattle, and colleagues, conducted a randomized controlled trial to determine the effectiveness and safety of Echinacea purpurea (a type of echinacea used for medicinal purposes) in treating URIs in children two to 11 years old. A total of 524 children were included in the study. The patients were randomized to receive either echinacea or placebo for up to three URIs over a four-month period. The echinacea or placebo was started at the onset of symptoms and continued for a maximum of ten days.
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Friction stir welding is a still-young and thus often unfamiliar pressure welding process for joining flat components and semi-finished components made of light metals.
Scientists at the University of Stuttgart have now developed two new process variants that will considerably expand the areas of application for friction stir welding.
Technologie-Lizenz-Büro (TLB) GmbH supports the University of Stuttgart in patenting and marketing its innovations.
Friction stir welding is a still-young and thus often unfamiliar pressure welding process for joining flat components and semi-finished components made of...
Optical quantum computers can revolutionize computer technology. A team of researchers led by scientists from Münster University and KIT now succeeded in putting a quantum optical experimental set-up onto a chip. In doing so, they have met one of the requirements for making it possible to use photonic circuits for optical quantum computers.
Optical quantum computers are what people are pinning their hopes on for tomorrow’s computer technology – whether for tap-proof data encryption, ultrafast...
The Fraunhofer Institute for Organic Electronics, Electron Beam and Plasma Technology FEP has been developing various applications for OLED microdisplays based on organic semiconductors. By integrating the capabilities of an image sensor directly into the microdisplay, eye movements can be recorded by the smart glasses and utilized for guidance and control functions, as one example. The new design will be debuted at Augmented World Expo Europe (AWE) in Berlin at Booth B25, October 18th – 19th.
“Augmented-reality” and “wearables” have become terms we encounter almost daily. Both can make daily life a little simpler and provide valuable assistance for...
With the help of artificial intelligence, chemists from the University of Basel in Switzerland have computed the characteristics of about two million crystals made up of four chemical elements. The researchers were able to identify 90 previously unknown thermodynamically stable crystals that can be regarded as new materials. They report on their findings in the scientific journal Physical Review Letters.
Elpasolite is a glassy, transparent, shiny and soft mineral with a cubic crystal structure. First discovered in El Paso County (Colorado, USA), it can also be...
For the first time, Fraunhofer IKTS shows additively manufactured hardmetal tools at WorldPM 2016 in Hamburg. Mechanical, chemical as well as a high heat resistance and extreme hardness are required from tools that are used in mechanical and automotive engineering or in plastics and building materials industry. Researchers at the Fraunhofer Institute for Ceramic Technologies and Systems IKTS in Dresden managed the production of complex hardmetal tools via 3D printing in a quality that are in no way inferior to conventionally produced high-performance tools.
Fraunhofer IKTS counts decades of proven expertise in the development of hardmetals. To date, reliable cutting, drilling, pressing and stamping tools made of...
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