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Diabetes Mellitus: Overview and Type I Subtype01:22

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Diabetes mellitus is a chronic metabolic disorder characterized by high blood glucose levels due to inadequate insulin production, insulin resistance, or both. The condition affects millions worldwide and can significantly impact their health and quality of life.
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Type 2 diabetes, characterized by insulin resistance, arises when the insulin receptors on cells lose responsiveness to insulin, diminishing the cell's capacity to take up glucose, resulting in elevated blood glucose levels. To receive a diagnosis of Type 2 diabetes, a series of blood glucose tests are necessary to assess whether the blood glucose falls within normal parameters. If the result is out of the normal range, a patient may be diagnosed as prediabetic or diabetic, depending on the...
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The therapy for diabetes aims to alleviate hyperglycemia-related symptoms, prevent acute metabolic decompensation, and reduce chronic end-organ complications. Glycemic control is evaluated through short-term (self-monitoring, continuous glucose monitoring) and long-term (A1c, fructosamine) metrics, enabling near real-time tracking of blood glucose levels and reflecting glycemic control over specific time frames.
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Diabetes mellitus consists of chronic metabolic disorders characterized by persistent hyperglycemia. This elevated blood glucose results from defects in insulin secretion, impaired insulin action, or both. Insulin, produced by pancreatic β-cells, is essential for maintaining glucose homeostasis by facilitating cellular glucose uptake for energy or storage. Disruptions in insulin production or function lead to glucose accumulation in the bloodstream, causing the clinical features and...
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Type I Diabetes I: Introduction01:12

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Type 1 diabetes mellitus is a chronic metabolic disorder characterized by an absolute deficiency of insulin resulting from the autoimmune destruction of pancreatic β-cells. Although it can occur at any age, it is most commonly diagnosed in childhood, adolescence, or early adulthood. The loss of insulin production impairs cellular glucose uptake, resulting in persistent hyperglycemia and necessitating lifelong insulin therapy.Autoimmune Destruction of β-CellsThe hallmark of type 1...
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Type 2 diabetes mellitus (T2DM) is a chronic metabolic disorder characterized by insulin resistance, in which target tissues such as the liver, muscle, and adipose tissue respond poorly to insulin. It is also associated with inadequate compensatory insulin secretion, where pancreatic β-cells fail to produce sufficient insulin. Together, these abnormalities lead to persistent hyperglycemia.EtiologyT2DM develops through a complex interaction of genetic predisposition and environmental or...
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A school-based intervention for diabetes risk reduction.

, Gary D Foster, Barbara Linder

    The New England Journal of Medicine
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    Summary
    This summary is machine-generated.

    A school-based program reduced childhood obesity indexes but did not significantly decrease overall overweight and obesity prevalence. These findings suggest potential for reducing type 2 diabetes risk in at-risk youth.

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    Area of Science:

    • Pediatric Public Health
    • Preventive Medicine
    • Metabolic Health

    Background:

    • Children from specific racial/ethnic groups and lower socioeconomic statuses face higher risks for obesity and type 2 diabetes.
    • School-based programs are crucial for addressing health disparities in pediatric populations.

    Purpose of the Study:

    • To evaluate a multicomponent, school-based intervention targeting obesity and type 2 diabetes risk factors in high-risk children.
    • To assess the program's impact on body mass index (BMI), waist circumference, and glucose/insulin levels.

    Main Methods:

    • Cluster randomized trial involving 42 schools (21 intervention, 21 control) with 4603 students (mean age 11.3 years).
    • Measurements included BMI, waist circumference, fasting glucose, and insulin at 6th and 8th grade.
    • Intervention focused on addressing risk factors for obesity and type 2 diabetes.

    Main Results:

    • No significant difference in the combined prevalence of overweight and obesity between groups.
    • Intervention group showed greater reductions in BMI z score, elevated waist circumference, fasting insulin, and obesity prevalence.
    • Positive effects were noted particularly in students with baseline BMI at or above the 85th percentile.

    Conclusions:

    • The school-based program did not significantly reduce the overall prevalence of overweight and obesity.
    • However, the intervention successfully reduced key indicators of adiposity, suggesting a potential benefit for mitigating type 2 diabetes risk.
    • Further research can explore long-term impacts and refine interventions for sustained health improvements.