Medicine & TechnologyDogs have been man's companion for thousands of years. First domesticated by our hunter/gatherer ancestors over 18,000 years ago, they have been part of our culture ever since, providing protection from predators, warning us of danger, and most of all, serving as loving companions. So the fact that they may offer some assistance to those with seizure disorders should come as no surprise. It's how they assist their owners that is truly remarkable.