Medical research

Diabetes drug metformin makes brain cells grow

The widely used diabetes drug metformin comes with a rather unexpected and alluring side effect: it encourages the growth of new neurons in the brain. The study reported in the July 6th issue of Cell Stem Cell also finds ...

Neuroscience

Highways of the brain: High-cost and high-capacity

A new study proposes a communication routing strategy for the brain that mimics the American highway system, with the bulk of the traffic leaving the local and feeder neural pathways to spend as much time as possible on the ...

Neuroscience

Hear to see: New method for the treatment of visual field defects

Patients who are blind in one side of their visual field benefit from presentation of sounds on the affected side. After passively hearing sounds for an hour, their visual detection of light stimuli in the blind half of their ...

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