Dogs Can Make Children Healthier
Article from Bark, the dog culture
magazine
Sept-Oct 2012 Issue
By Claudia Kawczynska
We know dogs make
us happy, but as an increasing number of scientific studies are
demonstrating, they also make us – and our children – healthier.
A 2010 study in the UK found that children who lived with dogs spent
10 minutes more each day engaged in physical activity than did those
in dog-free homes; the researchers even tallied up the extra number
of steps they took (360, on average). Now, two studies published
earlier this year point to some even more salubrious effects of life
with dogs, especially for very young children.
One, conducted at
Kuopio University Hospital in Finland, concentrated on infants during
their first year, and investigated the effect of contact with dogs on
the “frequency of respiratory symptoms and infections” during
that period. Information about the length of time a dog spent indoors
was gathered, and turned out to be one of the key indicators.
The results were
eye-opening. Children with dogs at home were healthier overall, had
fewer respiratory problems, fewer ear infections and were less likely
to require antibiotics. Researchers considered these results
supportive of the theory that children who live with dogs during
their early years have better resistance throughout childhood. They
also found that the effect was greater if the dog spent fewer than
six hours inside, possibly because the longer dogs are outdoors, the
more dirt they bring inside with them. The more dirt, the more
“bacterial diversity.” This diversity is thought to have a
protective influence by helping a child's immune system to mature –
that is, respond more effectively to infectious agents.
A study conducted
by the University of California, San Francisco, and the University of
Michigan, Ann Arbor, found that living with dogs may prevent children
from developing asthma. Mice fed a solution containing dust from
homes with dogs developed resistance to respiratory syncytial virus
(RSV), a childhood airway infectious agent. RSV, which is common in
infants, is linked to a higher risk of childhood asthma. According to
Dr. Susan Lynch of the study team, “Exposing the gastrointestinal
tract to pet dust and other microbes early in life prepares it to
respond appropriately to a variety of invaders. But since our modern
lifestyles involve living in immaculate houses, our immune systems
often overreact instead.” Early childhood is a critical period for
developing protection against allergies and asthma, and exposure to
pets can help.
All in all, these
studies are proving that dogs, especially those dirty ones, are not
only important family members, but also make our children healthier.
And in that regard, they may also have a positive impact on health
care costs. Adopt a dog, heal a child!
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