Not difficult at all: The brain is very sensitive. For example, traumatic brain injury frequently leads to permanent brain damage. If you are asking about less dramatic insults, it is very well known that alchohol affects the brain and long term excessive use can lead to clear cognitive and motor impairment--ie. Brain damage.
Answered 8/11/2013
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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