Owning a dog may add years to your life
Owning a dog may add
years to your life
Dog owners have a lower risk of death from cardiovascular
disease or other causes, according to a recent study.
A team of Swedish scientists has used national registries of
more than 3.4 million Swedes aged 40 to 80 to study the association between dog
ownership and cardiovascular health.
Their study showed that dog owners had a lower risk of death
due to cardiovascular disease or to other causes during the 12-year follow-up.
A total of more than 3.4 million individuals without any
prior cardiovascular disease in 2001 were included in the researchers' study
linking together seven different national data sources, including two dog
ownership registers. The goal was to determine whether dog owners had a
different risk of cardiovascular disease and death than non-dog owners.
"A very interesting finding in our study was that dog
ownership was especially prominent as a protective factor in persons living
alone, which is a group reported previously to be at higher risk of
cardiovascular disease and death than those living in a multi-person household.
Perhaps a dog may stand in as an important family member in the single
households. The results showed that single dog owners had a 33% reduction in
risk of death and 11% reduction in risk of myocardial infarction during
follow-up compared to single non-owners. Another interesting finding was that
owners to dogs from breed groups originally bred for hunting were most
protected," said lead junior author Mwenya Mubanga from the Uppsala
University.
"There might also be differences between owners and
non-owners already before buying a dog, which could have influenced our
results, such as those people choosing to get a dog tending to be more active
and of better health. Thanks to the population-based design, our results are
generalisable to the Swedish population, and probably also to other European
populations with similar culture regarding dog ownership," said senior
author Tove Fall.
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