Flawed research methods exaggerate the prevalence of depression

First Large-Scale Population Analysis Reinforces Ketamine’s Reputation as AntidepressantThe common practice of using patient self-report screening questionnaires rather than diagnostic interviews conducted by researchers has resulted in overestimates of the prevalence of depression, according to an analysis in CMAJ (Canadian Medical Association Journal) http://ift.tt/2mygiS7. “These studies misrepresent the actual rate of depression, sometimes dramatically, which makes it very difficult to direct the right […]

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Study links low carbohydrate intake to increased risk of birth defects

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Women who are pregnant or planning to become pregnant may want to avoid diets that reduce or eliminate carbohydrates, as they could increase the risk of having babies with neural tube birth defects, according to a new study from the University of North Carolina at Chapel Hill. The study will be published in the journal […] Science Blog http://ift.tt/2naLSpi http://ift.tt/2DAwUQl Visit our website to read more
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Cutting cigarettes may help cut opioids crisis

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In a six-month study recently concluded, a research unit affiliated with two hospital institutions and a university in Ottawa found that a reduction in the number of cigarettes smoked daily also reduced a smoker’s dependence on opioids. The study, “Management and Point-of-Care for Tobacco Dependence (PROMPT): a feasibility mixed methods Community Based Participatory Action Research […] Science Blog http://ift.tt/2nc0iGk http://ift.tt/2Fh7rMh Visit our website to read more
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The origin of snakes — new evolutionary scenario presented

Kuva
The early evolution of snakes happened from surface-terrestrial to burrowing in the lizard-snake transition suggests a research group at the University of Helsinki. The group’s new findings redirect the debate on evolution towards a new underexplored evolutionary scenario. Thus, the study adds another dimension to the investigation of snake origins. Research studies have previously established […] Science Blog http://ift.tt/2DCpGPU http://ift.tt/2E86N4g Visit our website to read more
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