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Dimethylethanolamine (DMAE or DMEA) is an organic compound with the formula (CH 3) 2 NCH 2 CH 2 OH. It is bifunctional, containing both a tertiary amine and primary alcohol functional groups. It is a colorless viscous liquid. It is used in skin care products for improving skin tone and also taken orally as a nootropic.
Methylhexanamine (also known as methylhexamine, 1,3-dimethylamylamine, 1,3-DMAA, dimethylamylamine, and DMAA; trade names Forthane and Geranamine) is an indirect sympathomimetic drug invented and developed by Eli Lilly and Company and marketed as an inhaled nasal decongestant from 1948 until it was voluntarily withdrawn from the market in the 1980s.
Ioannidis has added to this work by contributing to a meta-epidemiological study which found that only 1 in 20 interventions tested in Cochrane Reviews have benefits that are supported by high-quality evidence. [5] He also contributed to research suggesting that the quality of this evidence does not seem to improve over time. [6]
The PRISMA flow diagram, depicting the flow of information through the different phases of a systematic review. PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) is an evidence-based minimum set of items aimed at helping scientific authors to report a wide array of systematic reviews and meta-analyses, primarily used to assess the benefits and harms of a health care ...
It was established as the Agency for Health Care Policy and Research (AHCPR) in 1989 as a constituent unit of the Public Health Service (PHS) to enhance the quality, appropriateness, and effectiveness of health care services and access to care by conducting and supporting research, demonstration projects, and evaluations; developing guidelines ...
The National Committee for Quality Assurance (NCQA) is an independent 501(c)(3) nonprofit organization in the United States that works to improve health care quality through the administration of evidence-based standards, measures, programs, and accreditation. The National Committee for Quality Assurance operates on a formula of measure ...
Quality of Life Research is a peer-reviewed academic journal covering research into quality of life from a medical and public health perspective. It was established in 1992 and is published ten times per year by Springer Science+Business Media. It is the official journal of the International Society of Quality of Life Research.
Reviews may be narrative or systematic (and sometimes both). Narrative reviews provide a general summary of a topic based on a survey of the literature, which can be useful when outlining a topic. A general narrative review of a subject by an expert in the field can make a good secondary source covering various aspects of a subject within a ...