Case Study

The Nose Knows

The Nose Knows

Continued on page 8 On a New Y ork night in 2001, Mark Ruefenacht’s life was saved by a guide dog in training. Mark Ruefenacht is an insulin dependent diabetic, and that night in the city , Mark made a crucial error —he did not check his blood sugar before going to sleep. Unbeknownst to Mark, he was slipping into a severe low blood sugar episode. Most likely, his low blood sugar caused a seizure in his sleep, and a puppy Mark was train

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