Neuroscience

Researchers find amygdala not always necessary for fear

(Medical Xpress)—Researchers at the University of Iowa have found that three volunteer women with defective amygdalas were able to experience internal fear. In their paper published in the journal Nature Neuroscience, the ...

Medical research

Gut microbes at root of severe malnutrition in kids

A study of young twins in Malawi, in sub-Saharan Africa, finds that bacteria living in the intestine are an underlying cause of a form of severe acute childhood malnutrition.

Obstetrics & gynaecology

Fibroid tumors not risk factor in twin pregnancies

(HealthDay)—There does not appear to be an increased risk for complications in twin pregnancies with fibroid tumors compared with those without fibroid tumors, according to research published in the January issue of the ...

Psychology & Psychiatry

Genetics plays major role in victimization in elementary school

Genetics plays a major role in peer rejection and victimization in early elementary school, according to a study recently published on the website of the journal Child Development by a team directed by Dr. Michel Boivin, ...

Surgery

Conjoined 8-month-old US twins separated

(AP)—Surgeons at a Philadelphia hospital have successfully completed operations to separate 8-month-old twin girls who were joined at the lower chest and abdomen.

Genetics

Scientists identify 5 genes that determine facial shape

(Medical Xpress)—European researchers have discovered that five genes play a key role in determining human facial shapes. Presented in the journal PLoS Genetics, the genome-wide association study on facial phenotype can ...

Psychology & Psychiatry

For some women, genes may influence pressure to be thin

Genetics may make some women more vulnerable to the pressure of being thin, a study published in the International Journal of Eating Disorders has found. From size-zero models to airbrushed film stars, thinness is portrayed ...

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