A cozy home for senior dogs: The importance of accessibility and comfort The main reason older dogs need a more comfortable home environment lies in the physical and sensory changes that accompany aging. As dogs age, they can develop a range of health problems that affect their mobility, vision, hearing and even their cognitive function. * Reduced Mobility: Conditions such as arthritis are common in older dogs, causing joint pain and stiffness. Jumping on the couch or climbing stairs,...