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Seasonality of thyrotoxicosis
Journal of Epidemiology and Community Health
|March 1, 1985
Summary
Thyrotoxicosis diagnoses peak in spring and summer, with disease onset often occurring between January and June. This seasonal pattern may link to variations in dietary iodine intake.
Area of Science:
- Endocrinology
- Environmental Health
Background:
- Thyrotoxicosis, a condition of excess thyroid hormones, presents diagnostic challenges.
- Understanding the epidemiological patterns of thyrotoxicosis is crucial for public health.
Purpose of the Study:
- To investigate the seasonal distribution of thyrotoxicosis diagnoses.
- To identify potential environmental factors, such as iodine intake, influencing disease onset.
Main Methods:
- Analysis of a large, representative cohort of thyrotoxic patients.
- Examination of diagnosis dates to determine seasonal frequency.
- Correlation of onset intervals with specific time periods.
Main Results:
- A higher frequency of thyrotoxicosis diagnoses was observed during spring and summer months.
- The median time from symptom onset to diagnosis was 12 weeks.
- Disease onset showed a peak between January and June.
Conclusions:
- Thyrotoxicosis exhibits a distinct seasonal variation in diagnosis and onset.
- Seasonal fluctuations in iodine intake are a potential contributing factor to thyrotoxicosis seasonality.