Service dogs are typically thought of as necessary companions for the visually impaired, but service and therapy dogs can be a practical solution for people with a variety of illnesses, including cancer. As well as being a trusted friend, service dogs can expand owners' motor abilities, granting them new independence and allowing them to get more out of life. Here are just a few benefits of having a service dog, according to healthfitnessrevolution.com, mira.ca, the Lung Institute, and rover.com. Anxiety Relief Having cancer can bring about many emotional and mental health problems. The calming nature of service and therapy dogs can help ease anxiety and petting dogs is known to release endorphins and reduce stress. Retrieve Items Service dogs can help cancer patients by picking up dropped items and fetching items from other rooms, a vital service for someone who may find getting around difficult and painful. Lowers Blood Pressure and Heart Rate There is evidence that stroking a dog and sitting next to a dog lowers blood pressure and heart rate. The soothing effects of their body heat may also help with pain relief. MORE: Dispelling the most common cancer prevention myths.