News tagged with twins

Genetics of addiction: Twin studies

Twin studies offer a critical method to studying questions of nature and nurture in addiction research. Identical twins arise from the same fertilized egg, so they share 100 percent of their genes. If a trait is entirely ...

Nov 06, 2013
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Study of twins shows how smoking ages the face

(HealthDay)—A study comparing the faces of identical twins confirms what many smokers fear—the habit does prematurely age a person's skin, taking a serious toll on looks even after just five years.

Oct 30, 2013
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Conjoined twin girls separated in China

Conjoined twin baby girls have been released from a hospital in China almost three weeks after they were separated in a marathon operation, state media reported Tuesday.

Aug 27, 2013
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