Service dog keeps young student healthy By admin Share Facebook Twitter Email Simba, a service dog that keeps 9-year old Tayler Stevens aware of her blood sugar levels. Simba is the only active service dog in Stevens’ school district. LEAVE A REPLY Cancel reply Please enter your comment! Please enter your name here You have entered an incorrect email address! Please enter your email address here Save my name, email, and website in this browser for the next time I comment.