The research, published in the online open access journal Child and Adolescent Psychiatry and Mental Health, modelled various scenarios to determine possible costs to the National Health Service in England and the statutory health insurance providers in Germany.
Michael Schlander of the University of Heidelberg in Germany created a model based on demographic and epidemiological data, past spending trends, and an assessment of which drugs may soon be available for prescriptions. He calculated a range of the possible costs by varying the assumptions made for factors such as the likelihood of diagnosis and treatment, the level of treatment and the costs of drugs.
The cost of ADHD prescriptions to the NHS in England was £7 million in 2002 and the study predicted that this will rise to somewhere between £49 and £101 million per year by 2012. Prof Schlander stated: "The scenarios developed here strongly suggest that the trend of rising drug expenditures for ADHD may not abate in the near future."
At the same time Schlander emphasized that caution should be exercised when interpreting this data: "The mere focus of the present analysis is budgetary impact," and thus the data "illuminate just one half of the health economic equation; they do not provide information on 'value for money'."
The main characteristics of ADHD are inattention, hyperactivity and impulsivity. In the USA the percentage of children being treated for ADHD has been estimated at between 2.9 and 4.8%. The ADHD drugs bill in the USA is expected to top $4 billion by 2010 (for adults as well as children). In the UK it is thought that ADHD used to be under-diagnosed. The number of prescriptions is now rising sharply. One new drug that may become available in 2008 in the UK is Vyvanse(r), which is thought to have a lower potential for abuse and overdose than existing ADHD drugs.
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A multi-institutional research collaboration has created a novel approach for fabricating three-dimensional micro-optics through the shape-defined formation of porous silicon (PSi), with broad impacts in integrated optoelectronics, imaging, and photovoltaics.
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The Max Planck Institute for Physics (MPP) is opening up a new research field. A workshop from November 21 - 22, 2016 will mark the start of activities for an innovative axion experiment. Axions are still only purely hypothetical particles. Their detection could solve two fundamental problems in particle physics: What dark matter consists of and why it has not yet been possible to directly observe a CP violation for the strong interaction.
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The efficiency of power electronic systems is not solely dependent on electrical efficiency but also on weight, for example, in mobile systems. When the weight of relevant components and devices in airplanes, for instance, is reduced, fuel savings can be achieved and correspondingly greenhouse gas emissions decreased. New materials and components based on gallium nitride (GaN) can help to reduce weight and increase the efficiency. With these new materials, power electronic switches can be operated at higher switching frequency, resulting in higher power density and lower material costs.
Researchers at the Fraunhofer Institute for Solar Energy Systems ISE together with partners have investigated how these materials can be used to make power...
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