A growing body of research suggests companion animals play an important role in the health and well-being of many older adults. But seniors who seek the possible benefits of pet ownership, such as increased physical activity, lower blood pressure and improved mental health, can also face unexpected challenges.

Although any age can experience the positives of animal companionship, certain stressors that typically occur later life — chronic disease, reduced mobility, bereavement or a drop in socioeconomic status with retirement — put older people at risk for psychological distress that a pet may help alleviate.

"Over and over again, I've heard pets described as a lifeline," said Ann Toohey, who studies human-animal interactions at the University of Calgary.

Speaking at a conference in Boston last week, Toohey said for some people, companion animals provide purpose and a reason to get out of bed in the morning, which can be especially important for isolated older adults with shrinking social networks.

Read the full article about how pets benefit seniors by Elizabeth Fite at the Chattanooga Times Free Press.