A service dog is an animal that can assist people with disabilities in being more independent. Different types of service dogs help people in various ways.

Guide dogs can help people with visual impairments travel. They prevent their owners from bumping into obstacles. Guide dogs are responsible for helping their owners navigate safely.

Hearing dogs assist people with hearing impairments. When a hearing dog detects a noise, such as a doorbell or smoke alarm, they let their owner know by leading them to the noise.

Mobility assistance dogs assist people by doing tasks such as picking up items, pressing buttons, and carrying things. Mobility assistance dogs are great supports for people with disabilities that may not be able to do some of this stuff on their own.

Autism support dogs help people with autism when they are having meltdowns by calming them down. They can also prevent their owners from doing dangerous things, such as smacking their heads on the wall.

Psychiatric service dogs help people with mental health conditions, such as anxiety, depression, and PTSD. They can assist their owners by doing things such as room searches and keeping space between their owners and other people in public areas.

Diabetic alert dogs help people with diabetes detect when their blood sugar is too high or low before their condition gets worse. When someone's blood sugar gets too high or too low, it produces a scent change that dogs can detect. Diabetic alert dogs use this to signal their owners to test their blood.

Seizure response dogs help people when they are having seizures. Seizure response dogs can do things such as press an alarm or move someone from harm while seizures are occurring. They are responsible for helping their owners and keeping them safe throughout seizures.