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Diabetes mellitus (DM) was previously considered a contraindication to recreational diving by means of self-contained underwater breathing apparatus (SCUBA), the main concern being the risk of the divers developing underwater hypoglycaemia. However, an increasing body of scientific evidence including epidemiologic surveys and controlled case studies have shown, that some patients with DM can dive safely under the right circumstances. In this review, we summarise the Danish national guidelines based on existing literature and guidelines as well as patient instructions on how to improve safety when diving with DM.

The purpose was to expand the understanding of schizophrenia development in children and adolescents. An age- and gender-specific analysis of children and adolescents diagnosed with schizophrenia (F20.xx) was performed. The analysis included calculation of incidence rates of schizophrenia, schizophrenia subtypes, and an account of occurrence of any registered psychiatric diagnoses prior to first schizophrenia diagnosis.Patients aged 0-21 years diagnosed with schizophrenia (F20.xx) and registered in the Danish Psychiatric Central Research Register in 1994-2007 were included.The cohort consisted of 3,065 patients aged 6-21 years. Incidence rates vary with age and gender, and have been increasing in recent years. Boys have earlier onset and higher incidence rates than girls. The most common schizophrenia subtypes were paranoid (F20.0; 44.0%) and unspecified (F20.9; 28.7%). Three in every four patients had contact with the psychiatric hospital system prior to first schizophrenia diagnosis.Schizophreniform symptomatology tends to overlap with other psychiatric disorders, and diagnostic stability is low. The diagnosis schizophrenia should be systematically included in diagnostic deliberations. Qualitative studies describing and analysing early psychopathology in children and adolescents with schizophrenia will improve the present knowledge.

Posttransplant diabetes (PTDM) is persistent hyperglycemia following organ transplantation and is a serious and frequent complication. PTDM increases the risk of graft failure and cardiovascular disease. The most important factor is the posttransplant immunosuppressive treatment. PTDM develops when insulin resistance is not compensated by secretory hyperinsulinemia. New immunosuppressive regimes seem promising in reducing PTDM. Guidelines recommend pre-transplantation OGTT, early diagnose of PTDM and individualized immunosuppressive treatment. Antidiabetic treatment should be initiated early.

We examined suicide attempters' use of health insurance services as part of an effort to prevent suicidal behaviour.The research project was a register-based case control study, where cases were persons residing in the County of Funen, Denmark, who made a suicide attempt resulting in contact with a hospital. Controls were matched with respect to gender, age and county of residence on the date of the first registered suicide attempt (index attempt). Data about services paid for by the public health insurance program were collected from the Prevention Register. The data were analyzed using conditional logistic regression.In the calendar year prior to an index attempt, suicide attempters consulted health professionals, i.e., general practitioners, psychologists or psychiatrists, more often. Gender and age differences were small.Suicide attempters consult health insurance professionals, especially GPs, more often, and GPs' specific role in the prevention of attempted suicide is discussed.