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View Diary: Good News from Alzheimer's Researchers they may have found the magic bullet (164 comments)

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  •  There is very limited re-growth... (3+ / 0-)
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    sydneyluv, semiot, Ice Blue

    There are only two areas of the adult brain that retain actively growing stem cells that can make new tissue. These new cells either end up in the olfactory bulb (the very front of the brain, where the nerves from the nose enter the brain), and the hippocampus. The hippocampus is an important area for memory, but it's not the only important part.

    It's possible that under some circumstances that some new neurons can be formed in other areas... but the evidence for this is pretty sparse right now. But it's possible... maybe... under the right circumstances...???

    However, the brain can form new connections, even after significant damage. While it's not new neurons, the remaining neurons can form new circuitry that improves function.

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