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The question as to whether schizophrenics have an increased potential for delinquency and violent behavior has given rise to much controversy. During the past few years, a large number of epidemiological studies have demonstrated a moderate but reliable relation between schizophrenic disorders and violence. In the present study, a new approach at investigation was used by evaluating the overall rate of convictions and commitments to psychiatric institutions for general delinquency, violence, and homicide among schizophrenics. The most outstanding results demonstrated that the treatment of schizophrenic offenders was only insufficiently covered by the psychiatric care system, showed the lack of compliance in the study group, and demonstrated the high significance of coexisting acute and chronic alcohol and drug abuse. The risk of delinquency and violent behavior was much higher in schizophrenics than in the general population. It is indicated, however, that mentally ill delinquents are only of minor importance within the overall group of offenders and that better preventive and therapeutic measures present opportunities for prevention.

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Compared with other well established liver enzyme parameters, carbohydrate-deficient transferrin (CDT) offers a new method for the identification of chronic alcoholism. The dependence of CDT and alcoholism/abstinence was studied in 29 controls and 64 alcoholics (both groups comprising men and women). In contrast to the currently used parameters GOT, GPT, gammaGT, LDH and MCV, CDT measures chronic alcoholism exclusively. CDT is dependent on sex but not age. In chronic alcoholism its rate increases significantly, but drops quickly after a short time of abstinence. CDT variations may be a specific and sensitive indicator of alcoholism or abstinence and possibly the duration.