Background Sunlight contains ultraviolet B (UVB) radiation that triggers the production of vitami... more Background Sunlight contains ultraviolet B (UVB) radiation that triggers the production of vitamin D by skin. Vitamin D has widespread effects on brain function in both developing and adult brains. However, many people live at latitudes (about > 40 N or S) that do not receive enough UVB in winter to produce vitamin D. This exploratory study investigated the association between the age of onset of bipolar I disorder and the threshold for UVB sufficient for vitamin D production in a large global sample. Methods Data for 6972 patients with bipolar I disorder were obtained at 75 collection sites in 41 countries in both hemispheres. The best model to assess the relation between the threshold for UVB sufficient for vitamin D production and age of onset included 1 or more months below the threshold, family history of mood disorders, and birth cohort. All coefficients estimated at P ≤ 0.001. Results The 6972 patients had an onset in 582 locations in 70 countries, with a mean age of onset...
BACKGROUND Increasingly, health insurance companies are asking for treatment results in mental he... more BACKGROUND Increasingly, health insurance companies are asking for treatment results in mental health care to be expressed in actual numbers. They base their request on the data supplied by sbg (Stichting Benchmark ggz) and the procedures that sbg has followed. For the purpose of benchmarking, the sbg has accepted a limited number of questionnaires. These tools are not suitable for performing routine outcome monitoring (rom) in clinical practice. There is a urgent need for these questionnaires to be replaced by a widely-used depression questionnaire, namely the ids. AIM To present arguments supporting the view that the ids is an excellent and useful instrument that the sbg should accept as a measuring tool. METHOD We discuss the quality of the ids by reviewing the literature. RESULTS The ids is a high quality instrument well suited for measuring the severity of depressions and also is sufficiently sensitive for measuring mood improvements. CONCLUSION The ids is an excellent tool for...
ACHTERGROND Er zijn aanwijzingen dat bij nieuwbouw van psychiatrische ziekenhuizen aspecten van l... more ACHTERGROND Er zijn aanwijzingen dat bij nieuwbouw van psychiatrische ziekenhuizen aspecten van licht en de inrichting van de groene ruimte in aanmerking moeten worden genomen, om zo het herstel van patienten positief te beinvloeden. DOEL Positieve en duurzame effecten van licht- en groenvoorziening in de ggz op de mentale gezondheid onder de aandacht brengen. METHODE Literatuurstudie. RESULTAAT Dag- en kunstlicht, en natuur kunnen een positieve invloed op herstel en mentaal welbevinden hebben van patienten en medewerkers in zorginstellingen. CONCLUSIE Het is de moeite waard al in de ontwerpfase van nieuwbouw voor psychiatrische ziekenhuizen rekening te houden met lichtinval, verlichting en groenvoorziening. Dit draagt bij aan het psychisch functioneren van de gebruikers.
Now that the 24-hour economy is putting an ever-increasing mark on social life, the effects of th... more Now that the 24-hour economy is putting an ever-increasing mark on social life, the effects of the disruption of natural biological rhythms are becoming clearer. In addition to its effects on sleep, this article discusses its long-term health effects. Potential measures to reduce and counteract the adverse effects of working night shifts on general well-being, sleep and health are summarized; the roles of light and rhythm are explored. Further research into the health effects of working nights and unsociable shift patterns is indicated.
Background Sunlight contains ultraviolet B (UVB) radiation that triggers the production of vitami... more Background Sunlight contains ultraviolet B (UVB) radiation that triggers the production of vitamin D by skin. Vitamin D has widespread effects on brain function in both developing and adult brains. However, many people live at latitudes (about > 40 N or S) that do not receive enough UVB in winter to produce vitamin D. This exploratory study investigated the association between the age of onset of bipolar I disorder and the threshold for UVB sufficient for vitamin D production in a large global sample. Methods Data for 6972 patients with bipolar I disorder were obtained at 75 collection sites in 41 countries in both hemispheres. The best model to assess the relation between the threshold for UVB sufficient for vitamin D production and age of onset included 1 or more months below the threshold, family history of mood disorders, and birth cohort. All coefficients estimated at P ≤ 0.001. Results The 6972 patients had an onset in 582 locations in 70 countries, with a mean age of onset...
BACKGROUND Increasingly, health insurance companies are asking for treatment results in mental he... more BACKGROUND Increasingly, health insurance companies are asking for treatment results in mental health care to be expressed in actual numbers. They base their request on the data supplied by sbg (Stichting Benchmark ggz) and the procedures that sbg has followed. For the purpose of benchmarking, the sbg has accepted a limited number of questionnaires. These tools are not suitable for performing routine outcome monitoring (rom) in clinical practice. There is a urgent need for these questionnaires to be replaced by a widely-used depression questionnaire, namely the ids. AIM To present arguments supporting the view that the ids is an excellent and useful instrument that the sbg should accept as a measuring tool. METHOD We discuss the quality of the ids by reviewing the literature. RESULTS The ids is a high quality instrument well suited for measuring the severity of depressions and also is sufficiently sensitive for measuring mood improvements. CONCLUSION The ids is an excellent tool for...
ACHTERGROND Er zijn aanwijzingen dat bij nieuwbouw van psychiatrische ziekenhuizen aspecten van l... more ACHTERGROND Er zijn aanwijzingen dat bij nieuwbouw van psychiatrische ziekenhuizen aspecten van licht en de inrichting van de groene ruimte in aanmerking moeten worden genomen, om zo het herstel van patienten positief te beinvloeden. DOEL Positieve en duurzame effecten van licht- en groenvoorziening in de ggz op de mentale gezondheid onder de aandacht brengen. METHODE Literatuurstudie. RESULTAAT Dag- en kunstlicht, en natuur kunnen een positieve invloed op herstel en mentaal welbevinden hebben van patienten en medewerkers in zorginstellingen. CONCLUSIE Het is de moeite waard al in de ontwerpfase van nieuwbouw voor psychiatrische ziekenhuizen rekening te houden met lichtinval, verlichting en groenvoorziening. Dit draagt bij aan het psychisch functioneren van de gebruikers.
Now that the 24-hour economy is putting an ever-increasing mark on social life, the effects of th... more Now that the 24-hour economy is putting an ever-increasing mark on social life, the effects of the disruption of natural biological rhythms are becoming clearer. In addition to its effects on sleep, this article discusses its long-term health effects. Potential measures to reduce and counteract the adverse effects of working night shifts on general well-being, sleep and health are summarized; the roles of light and rhythm are explored. Further research into the health effects of working nights and unsociable shift patterns is indicated.
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Papers by Ybe Meesters