... assessment. These are family studies, win studies and adoption studies. Naturally technology will evolve along with time. When analysing genetic influences, the medical model attempts to identify a specific gene and, although genes appear to be involved, the role of genetic factors in anxiety disorders is enormously complex. Little is also known about the role of biochemistry plays in anxiety disorder. We know very little about the way in which neurotransmitters like serotonin actually work. It is hard to know whether neurotransmitter changes are a cause or effect. Biological theories are at best suggestive rather than conclusive. They suggest why some people are predisposed to phobias and why some phobias are more common than others. However the evidence used to support biological theories can often be used to support other alternative environmental explanations. Both theories attempt to explain and look to treat anxiety disorders although focusing on different aspect of treatment. ...

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