Obstetrics & gynaecology

Multiple-child pregnancies hike birth costs in the US

(HealthDay)—Compared with singleton births, delivery of multiple-child pregnancies substantially raises health care costs paid by insurers and patients in the United States, according to research published in the December ...

Obstetrics & gynaecology

Fertility doctors aim to lower rate of twin births

U.S. doctors are reporting an epidemic—of twins. Nearly half of all babies born with advanced fertility help are multiple births, new federal numbers show.

Addiction

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 ...

Genetics

Researchers find unexpected genetic mosaic in the brain

(Medical Xpress)—Scientists at the University of Virginia and elsewhere have discovered that nerve cells in the brain are unexpectedly varied in their genetic makeup, a surprising finding that may help explain schizophrenia, ...

Health

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.

Other

Playful conjoined twins "healthy" after operation in India

Doctors declared Wednesday that a pair of formerly conjoined twins were healthy and happy after they were successfully separated in a marathon "nerve-wracking" operation in India by a team of 40 specialists.

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