By Sophia Yin, DVM. Sunday 10/25/09 Last week when lecturing at a seminar with Sarah Kalnajs, I watched an interesting video that Sarah showed. When her friend who had a history of cluster headaches was visiting her, Sarah’s dogs performed an unusual behavior. Typically they would hang back instead of interacting with the visitor but in this case they climbed onto his lap and kept licking his... [Read more]