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Scoop.it!
A new study of twins sheds light on the complex links between biology and happiness. More on HAPPINESS: http://www.scoop.it/t/science-news?tag=happiness Via Sandeep Gautam 
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Scoop.it!
Scientists have long pointed to identical twins to show that genes reign supreme in the battle of nature versus nurture. But a growing body of research suggests another factor, called epigenetics, may change how those genes are expressed. Via ramblejamble
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Scoop.it!
Researchers compared the DNA of identical twins at different ages. They showed that structural modifications of the DNA, where large or small DNA segments change direction, are duplicated or completely lost, are more common in older people.
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