Not Much Usually: Most people don't report much trouble although the brain doesn't like sudden changes. Some people can experience perceptual disturbances, dizziness, & "brain zaps" (whatever that means). None of it is particularly dangerous but it can be uncomfortable.
Answered 3/10/2015
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3 doctors weighed in across 2 answers
A doctor has provided 1 answer
A doctor has provided 1 answer
4 doctors weighed in across 2 answers
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