Can dogs smell when someone is afraid of
them or is a foe to them?
They seem to be able to sense a lot more than one would expect...a few years
back it was found that dogs could pick out of a series of test tubes which
ones had cancerous cells in them...dogs are also used to warn epileptics
hours before thay are going to have a seizure, well before any human
including the epileptic knows...
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Update: June 2012