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Read more: Researchers Try Training Tracker Dogs to Solve Prolific Knapweed Problem on the Range
Coal can sense seizures up to 45 minutes in advance by detecting hormonal changes in Dale's body trough smell, so he can take steps to be in a safe place and/or to prevent the seizure. In a tv interview, Dale's father was quoted as saying the dog had reduced incidents of seizure from over 20 down to a handful or less.
Read more: Family Hopeful Black Lab Can Help Detect Youth's Seizures
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