In both the United States and Australia, 63% of households include pets, compared to 43% of British and 20% of Japanese households. In the United States, the proportion of households with pets is larger than those with children (522).
This relationship, dubbed the animal connection by Shipman, may have played an important role in human evolution, linking the traits that distinguish Homo sapiens from other mammals. How is it that some animals transitioned from food to friends, and what is the significance of this relationship?

The animal connection is the process by which pets or livestock become companions and/or partners, and are treated as members of the family. It refers to the close relationship between animals and humans starting 2.6 million years ago (mya), beginning with the use and study of animals by humans, and leading to regular social interactions. Today this is manifested in the adoption of animals and the care provided to them in the course of that relationship. The roots of this relationship may be found in the development of three often recognized traits of humans: making and using tools, symbolic behavior (including language, adornment, and rituals), and domestication of other species. Shipman views the animal connection as a fourth trait, tying the other three together and having an immense effect on human evolution, genetics, and behavior (2010: 522).

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We all know which foods we do best to avoid (right?). Despite the alluring appeal of Oreos, Mountain Dew or McAnything, processed foods provide little nutrition and a whole lot of risks. But when it comes to the good stuff—what are the best foods to put into our bodies? While experts all agree we need a variety of foods for a healthy diet, do you know which are the healthiest of the bunch? The answers may surprise and delight you.

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Lying on his back, fed by a person.

Watch video. Really cute.

Many questions remain regarding the relationship between blood lipid levels and coronary heart disease.

Studies that examine the effects of some of the most popular cholesterol-lowering drugs are ongoing; the effects of different diet modifications on cholesterol levels continue to be explored; and the exact mechanism that deposits plaque on artery walls remains to be discovered.

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The scientific evidence is conflicting. Some studies find a strong relationship between short, cold, damp days and arthritis flare-ups.

Research from Tufts University suggests changes in barometric pressure worsen knee pain in people with arthritis, while colder temps can cause painful changes in joint fluid thickness.

Other studies have found little or no link between weather and joint pain.

Whether your aches are sparked by the weather or something else, these three steps can help you feel better.

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Everyone has his or her own way of doing things. Sometimes, we’re even pretty insistent about them being done a certain way. A little anxiety is normal

— even a lot of anxiety is normal. But normal anxiety is not debilitating. And having to do things in just the right way for fear of something bad happening isn’t an average quirk or being particular, it’s anxiety that needs to be managed.

“When I hear somebody feels anxiety, I don’t immediately say, that’s a condition.

In order [for it] to be a condition, I have to hear evidence that there is some sort of significant disability associated with it,” says Charles Goodstein, MD, a clinical professor of psychiatry at New York University Langone Medical Center.

Dr. Goodstein notes that while there are a number of different anxiety disorders, including OCD, there often aren’ t clear-cu

t lines between them. “They represent not different conditions, but variants on a certain condition often found in conjunction with each other. The basis of all of them is, in effect, an inability for whatever reason to cope with what, in fact, is part of being a human being — anxiety,” says Goodstein.

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If you have OCD, it can affect work, relationships, and your entire life as the obsessive thoughts and compulsive behaviors begin controlling you and taking over. You may recognize that your thoughts and behavior are extreme, but just don’t know how to stop it, and are controlled by your anxiety. But OCD can be successfully managed once you seek out and receive treatment for it.

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Most people used to think of hoarding as a harmless eccentricity — however, this compulsion has begun to be linked with serious forms of mental illness like obsessive-compulsive disorder and schizophrenia.

And recently, compulsive hoarding has begun to receive attention in schizophrenia research.

In fact, people with schizophrenia often engage in hoarding behavior.

They collect things at random, filling their homes with objects and other materials.

The items might mean something to them or fulfill some hidden or unknown longing, or they might just be random garbage collected with no thought

to its use or purpose.

The hoarding schizophrenic collects these items, has trouble parting with them, and allows the home to be overrun with clutter.

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That’s right. Research suggests that listening to music bestows mind-body benefits in the following ways:

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