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[Michaelangelica]

Smell needs constant supply of nerve cells (ABC News in Science)

Smell needs constant supply of nerve cells

Tuesday, 2 September 2008
Reuters
nose eyes

The researchers found that nearly all nerve cells in the olfactory bulb had been replaced with new ones (Source: iStockphoto)
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Mature brains need a continuous supply of new nerve cells to sustain functions like smelling and memory, an experiment with mice in Japan has shown.

While the adult brain can make new nerve cells, experts have never been sure of their roles. These findings may explain why some stroke survivors never recover certain faculties, because their brains no longer generate new cells.

I think I am stuffed.