Τετάρτη 10 Ιουλίου 2013

Science News SciGuru.com

Science News SciGuru.com

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Rising unemployment rates stop upward trend of fertility in European countries

Posted: 10 Jul 2013 05:29 AM PDT

The economic crisis has put measurable pressure on birth rates in Europe over the last decade. On average, the more the unemployment rose, the greater the decrease in fertility compared to the number of children per women expected without the crisis. This is the result of a new study performed by the Max Planck Institute for Demographic Research (MPIDR) in Rostock, Germany.

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Research Team Shows ‘Bath Salts’ Stimulant Could Be More Addictive than Meth

Posted: 10 Jul 2013 05:19 AM PDT

Scientists at The Scripps Research Institute (TSRI) have published one of the first laboratory studies of MDPV, an emerging recreational drug that has been sold as “bath salts.” The TSRI researchers confirmed the drug’s powerful stimulant effects in rats and found evidence that it could be more addictive than methamphetamine, one of the most addictive substances to date.

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Breakthrough Study Reveals Biological Basis for Sensory Processing Disorders in Kids

Posted: 10 Jul 2013 05:09 AM PDT

Sensory processing disorders (SPD) are more prevalent in children than autism and as common as attention deficit hyperactivity disorder, yet it receives far less attention partly because it’s never been recognized as a distinct disease.

In a groundbreaking new study from UC San Francisco, researchers have found that children affected with SPD have quantifiable differences in brain structure, for the first time showing a biological basis for the disease that sets it apart from other neurodevelopmental disorders.

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Even low levels of air pollution increases risk of cancer

Posted: 10 Jul 2013 04:54 AM PDT

Prolonged exposure to particulate air pollution increases the risk of lung cancer even at levels below the European Union limit values, according to one of the largest studies of its kind published in The Lancet Oncology. In particular, there was a strong link to a type of lung cancer called adenocarcinoma, which frequently affect non-smokers.

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Link between low vitamin D blood levels and heart disease varies by race

Posted: 09 Jul 2013 01:24 PM PDT

Low vitamin D blood levels are linked to greater risk of heart disease in whites and Chinese, but not in blacks and Hispanics, according to a study appearing this week in JAMA, a journal published by the American Medical Association.

Growing evidence has suggested that low blood levels of 25-hydroxyvitamin are associated with higher risk of developing coronary heart disease among whites. Few of these studies included substantial numbers of people from other races.

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Researchers link positive outlook to reduction in cardiac events such as heart attacks

Posted: 09 Jul 2013 01:01 PM PDT

People with cheerful temperaments are significantly less likely to suffer a coronary event such as a heart attack or sudden cardiac death, new Johns Hopkins research suggests.

Previous research has shown that depressed and anxious people are more likely to have heart attacks and to die from them than those whose dispositions are sunnier. But the Johns Hopkins researchers say their study shows that a general sense of well-being — feeling cheerful, relaxed, energetic and satisfied with life — actually reduces the chances of a heart attack.

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Researchers Build 3-D Structures Out of Liquid Metal

Posted: 09 Jul 2013 09:31 AM PDT

Researchers from North Carolina State University have developed three-dimensional (3-D) printing technology and techniques to create free-standing structures made of liquid metal at room temperature.

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