Anxiety is an emotional status. It develops primary by learning. It is
to learn, what is a threat for the organism and what is a signal for
the announcement of threat. The learnig of anxiety stimuli is a proces
s on the basis of the classical and instrumental conditioning. Structu
rs of brain, which are termed behavioral inhibition system (BIS), are
important for the generation of anxiety and anxiety - reactions There
are correlations between stress, anxiety, depression and suffering. Co
nditions for the prophylaxis and therapy of anxiety are knowledges abo
ut the development of anxiety