People love their pets. More than 60 percent of U.S. households include pets, and those pet owners pour $41 billion a year into pet care [source: APPMA]. This may seem like a lot of. But when you consider the fact that owning a pet could very likely add years to your life, a pet can quickly seem like a wise investment.
According to a study by the Minnesota Stroke Institute that followed more than 4,000 cat owners over 10 years, owning a cat can dramatically reduce a person's chance of dying from heart disease [source: Mundell]. Specifically, people who owned cats were 30 percent less likely to suffer a heart attack. Although those researchers cannot make the same conclusions about dogs based on the data they gathered, they suspect a dog study would provide similar results.
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That study merely adds to the existing evidence that shows how animals can benefit human health. For example, psychologists have found reason to believe that owning a dog helps lower your blood pressure and your cholesterol [source: BVA]. And other research shows that pets help us feel better overall and help us to deal with stress, which can be a source of illness [sources: Laino, BBC News].
And let's not forget the benefits for the elderly. For example, one study observed neural activity in seniors while they walked or interacted with a dog [source: Motooka]. It turned out that walking with a dog gave seniors a boost in parasympathetic nervous system activity, which is good because the parasympathetic nervous system helps calm and rest the body.
For whatever reason, pets certainly can have a special effect on their owners. On the next page, find out more about pets' amazing ability to improve our health. Is it really possible for a dog to foresee its owner's seizures and even detect cancer?
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