Chemical Imbalance

[David]

Victoria, You had an episode in the UK where there was a beautiful white snow dog of sorts. The problem was that the dog was very aggressive towards the woman of the house and would bit her when the husband was not around (the husband was in denial that his dog would ever do this). The reason I ask is that the dog had a chemical imbalance of which type I can not remember. And the imbalance was causing aggression. My questions are what was the imbalance and how did you detect/suspect that the dog might have this type of irregularity?

I ask because we have a dog that we care for that no matter how long you wait (I have waited 20 minutes) will physically shake if it does not get her way. This is the same either before or after a good long 45 minute run. The dog is not aggressive but the best why of describing it is this: if this was a child she is SO hyperactive that I would take her to a specialist to seek medical treatment.

Thanks!
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