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Snake oil? Scientific evidence for health supplements

Snake oil? Scientific evidence for health supplements
Updated September 2015 with a revitalising boost of fresh data. New entries include melatonin, proving travellers were right about its effect on sleep; and good evidence for Vitamin D for flu, bones and long life. Evidence for valerian as a cure for anxiety has dropped, as has any likelihood that cranberry juice has impact on urinary infections. Thanks to visitor suggestions we’ve added entries for supplements that may in some cases be harmful, including Vitamin A, which has been linked to birth defects. Note: You might see multiple bubbles for certain supplements. These is because some supps affect a range of conditions, but the evidence quality varies from condition to condition. This visualisation generates itself from this Google Doc. As ever, we welcome your thoughts, crits, comments, corrections, compliments, tweaks, new evidence, missing supps, and general feedback.

http://www.informationisbeautiful.net/visualizations/snake-oil-supplements/

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Introducing Vega-Lite Provide sensible defaults, but allow customization. Vega-Lite’s compiler automatically chooses default properties of a visualization based on a set of carefully designed rules. However, one can specify additional properties to customize the visualization. For example, the stacked bar chart on the left has a custom color palette. Vega-Lite uses a concise syntax, enabling rapid creation of visualizations without unduly restricting subsequent customization. Infographic: Data Visualization Tools For Data scientists & analysts Here is a famous quote on learning: We Learn . . . 10% of what we read 20% of what we hear 30% of what we see 50% of what we see and hear 70% of what we discuss 80% of what we experience 95% of what we teach others. If we create a similar ordering on ability to interpret data in various forms – the order will surely look like this: Text < Table < Charts < Interactive Charts On the other hand, the amount of data which needs processing and interpretation is increasing by the second. Combined, these two factors are making data visualization an integral form of data science workflow – probably more important than ever before.

See Which Health Supplements Aren't Backed By Science There are a lot of fad diets and articles out there that tell you which commonplace and obscure supplements you should be adding to your diet. But how do you discern the genuine from the bullsh*t? This graph by David McCandless from Information is Beautiful ranks hundreds of health supplements based on the amount of scientific research backing their big claims. The graph only used data from human trials that used a random placebo-control method.

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What Makes A Good Data Visualization? Hi there. I’m David McCandless, creator of this site and author of two infographic mega-tomes, Information is Beautiful (2009) and Knowledge is Beautiful (2014). I’ve created a lot of data and information visualizations. Around 540 over six years. (An eye-bleeding, marriage-crumpling average of 1.7 per week). There are 196 in my new book, Knowledge is Beautiful (out now). Alienation Is Killing Americans and Japanese The stories have become all too familiar in Japan, though people often do their best to ignore them. An elderly or middle-aged person, usually a man, is found dead, at home in his apartment, frequently right in his bed. It has been days, weeks, or even months since he has had contact with another human being. Often the discovery is made by a landlord frustrated at not receiving a rent payment or a neighbor who notices an unpleasant smell. The deceased has almost no connections with the world around him: no job, no relationships with neighbors, no spouse or children who care to be in contact. He has little desire to take care of his home, his relationships, his health.

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