If you are depressed, or schizophrenic or have Alzheimer's, scientists say you probably have a shrunken hippocampus. The good news: a drug that just entered human trials promises to re-grow that part of the brain.
It's an entirely new approach to treating clinical depression, which is the first of several diseases scientists at biotech company Neuralstem are hoping to address with their experimental oral drug. Most antidepressants work on brain chemistry, tweaking levels of neurotransmitters including serotonin, norepinephrine, and dopamine. This is the first drug that aims to re-grow patients' atrophied brains.
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