Monday, November 1, 2010

Can pets help keep you healthy?

People have lots of reasons for owning pets. A small but growing body of research suggests that owning or interacting with animals may have the added benefit of improving your health. People and animals have a long history of living together and bonding. Perhaps the oldest evidence of this special relationship was discovered in Israel where a 12,000-year-old human skeleton was buried with its hand resting on the skeleton of a 6-month-old wolf pup.

Today animal companions are more popular than ever. The pet population nationwide has been growing dramatically for nearly a half century, from about 40 million pet cats and dogs in 1967 to more than 160 million in 2006. About two-thirds of U.S. households now own at least one pet.


Researchers have only recently begun to explore this wonderful relationship and what its health benefits might be. The general belief is that there are health benefits to owning pets, both in terms of psychological growth and development, as well as physical health benefits.

Some of the largest and most well-designed studies in this field suggest that four-legged friends can help to improve our cardiovascular health. One study looked at 421 adults who’d suffered heart attacks. A year later, the scientists found, dog owners were significantly more likely to still be alive than were those who did not own dogs, regardless of the severity of the heart attack.

Another study looked at 240 married couples. Those who owned a pet were found to have lower heart rates and blood pressure, whether at rest or when undergoing stressful tests, than those without pets. Pet owners also seemed to have milder responses and quicker recovery from stress when they were with their pets than with a spouse or friend.

Several studies have shown that dog owners may get more exercise and other health benefits than the rest of us. One study looked at more than 2,000 adults and found that dog owners who regularly walked their dogs were more physically active and less likely to be obese than those who didn’t own or walk a dog.

Another study followed more than 2,500 older adults, ages 71-82, for 3 years. Those who regularly walked their dogs walked faster and for longer time periods each week than others who didn’t walk regularly. Older dog walkers also had greater mobility inside their homes than others in the study.

Man’s best friend may help you make more human friends, too. Several studies have shown that walking with a dog leads to more conversations and helps you stay socially connected. Studies have shown that people who have more social relationships tend to live longer and are less likely to show mental and physical declines as they grow older. It’s hard to walk a dog and not have someone talk to you or interact with you, compared to walking alone.

Other research suggests that pet ownership may hold special benefits during childhood. When children are asked who they talk to when they get upset, a lot of times their first answer is their pet. This points to the importance of pets as a source of comfort and developing empathy. Therapists and researchers have reported that children with autism are sometimes better able to interact with pets, and this may help in their interactions with people.

Several research teams are examining the potential benefits of bringing specially trained animals into clinical settings. These animal-assisted therapies are increasingly offered in hospitals and nursing homes nationwide. Although there is little solid scientific evidence confirming the value of this type of therapy, clinicians who watch patients interacting with animals say they can clearly see benefits, including improved mood and reduced anxiety.

A difference is noted in many patients when the dog is at their bedside. The dogs add a bit of normalcy to a difficult situation. The dog will sit calmly, and the patients don’t have to talk to anyone. They can just pet. This may help with some of the suffering.

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