What part of the brain decreases in the number of cells after age 20?

Answer Although, the brain decreases in the number of cells in all areas, according to the Merck Manual of Geriatrics, some parts (such as, the brain stem nuclei and the supraoptic and paraventricular nuc... Read More »

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If passing out means killing brain cells, do getting drunk kill brain cells?

The idea that alcohol kills brain cells has long been promoted. The early temperance writers made this assertion and also insisted that the alcohol in their blood could cause “drunkards” to cat... Read More »

Does smoking marijuana, kill brain cells, or retard the brain cells?

It does kill brain cells over a long period of time. There are minimal effects to smoking pot. If you start young and continue smoking your entire life then you might be a little dumb. But if yo... Read More »

Can constant anxiety, stress and depression kill off brain cells or cause brain disease?

Is it possible for brain cells to heal by themselves?

Hmm, I had a stroke and had to relearn several motions and grips and functions. So I would venture to say, yes, either healing damage from the clot or creating new pathways as you gain more function.