Five common misconceptions about the Middle Ages

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The Middle Ages may not have actually been the way you thought.

No matter how interested you are in history, you probably have still heard a lot about the Dark Ages, but much of that information, even the stuff you learned back in school, is actually fiction. Here are five commonly held beliefs about the Middle Ages that aren’t actually fact.

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The problem with body mass index

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BMI is a simple system, but it does have some flaws.

The Body Mass Index is a popular way to measure and assess whether someone is overweight or underweight. Basically, it’s just your weight divided by your height. BMI is a simple system, but it does have some flaws. Over at the Obesity Panacea blog, Peter Janiszewski (who has a Ph.D. in exercise physiology) has a nice post explaining why BMI is sometimes useful, and also why it’s not a great measurement of individual health…

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Link between BPA and heart disease seen in urine, new study reports

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BPA is in found in food can linings.

While more and more research is linking BPA to a number of health problems including cancer, reproductive problems, behavioral problems in children, liver problems, and diabetes, heart disease has been less well known.

While one study at the University of Exeter showed a correlation between BPA and heart disease, it didn’t show a cause and effect relationship, and therefore, it couldn’t predict future heart health…

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Hawaiians have the highest sense of well-being: survey

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Understanding well-being is important because it has such strong influence on the choices we make.

Hawaii comes out on top in a new ranking of which state’s residents have the best sense of overall well-being, based on physical health, happiness, job satisfaction and other factors that affect quality of life.

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Home health aides and lawyers are among the most sleep-deprived workers

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Over half of office workers don’t consistently get a good night’s sleep.

The distinction of being among the lowest-paid workers in the United States has long been home health aides.  It has now been revealed in a new study that they also get the least amount of sleep.

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Diet soda linked to heart disease: study

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Link found between diet soda and cardiovascular disease.

The consumption of diet soft drinks may be associated with Type 2 diabetes and development of the condition known as metabolic syndrome — high blood pressure, abdominal obesity and other risk factors according to some studies. Now a 10-year epidemiological study has found a link between diet soft drinks and cardiovascular disease.

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Smartphone sensor scans food for E. coli

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Scan your food and stay safe with your smartphone.

If you’ve ever suffered from any kind of food poisoning you’d understandably see the genius in this little device. Engineers at UCLA have created a prototype scanner that attaches to your smartphone camera and checks out that great looking burger to make sure you’re in the clear from E. coli.

The phone attachment essentially turns your phone into portable fluorescent microscope that light up the harmful bacteria like a Black Sabbath poster under a black light…

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Blood mystery solved: Two new blood types identified

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Blood samples.

You probably know your blood type: A, B, AB or O. You may even know if you’re Rhesus positive or negative. But how about the Langereis blood type? Or the Junior blood type? Positive or negative? Most people have never even heard of these.

Yet this knowledge could be “a matter of life and death,” says University of Vermont biologist Bryan Ballif…

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