Service dogs are dogs that have been individually trained to perform a specific task for individuals who have disabilities.  A service dog helps a person with a disability lead a more independent life.  The disabilities can vary greatly, and so do the tasks that the service dogs perform.  A guide dogs can help blind and visually impaired individuals navigate their environments.  Hearing dogs help alert deaf and hard-of-hearing individuals to important sounds. Mobility dogs assist individuals who use wheelchairs, walking devices, and who have balance issues. assist an individual who is having a seizure, calm an individual who suffers from Post-Traumatic Stress Disorder, and even dial 911 in the event of an emergency. Many disabled individuals depend on them every day to help them live their everyday lives.  Service animals are working animals, not pets.