Medical research

A gene for brain size only found in humans

About 99 percent of human genes are shared with chimpanzees. Only the small remainder sets us apart. However, we have one important difference: The brain of humans is three times as big as the chimpanzee brain.

Obstetrics & gynaecology

Cesarean section may cause epigenetic changes

(Medical Xpress)—A new study from Karolinska Institutet indicates that the mode of delivery could make an imprint in the stem cells of the newborn infant. The finding may be of interest for understanding why individuals ...

Neuroscience

Unexpected origin for important parts of the nervous system

A new study from Karolinska Institutet in Sweden shows that a part of the nervous system, the parasympathetic nervous system, is formed in a way that is different from what researchers previously believed. In this study, ...

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