Seasonal variation in coronary heart disease and seasonal mood changes
نویسندگان
چکیده
منابع مشابه
Seasonal variations in coronary heart disease.
Coronary heart disease exhibits a winter peak and summer trough in incidence and mortality, in countries both north and south of the equator. In England and Wales, the winter peak accounts for an additional 20,000 deaths per annum. It is likely that this reflects seasonal variations in risk factors. Seasonal variations have been demonstrated in a number of lifestyle risk factors such a physical...
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REPLY We thank Kok, Umans, and Arnold for their statistical calculations. Indeed, a large sample size would be required to prove that there is equivalence in clinical outcome between patients directly admitted compared to transferred patients. To demonstrate that the six-month mortality rate would not exceed more than 1% (6% vs. 7%) would require a sample size of even more than 25,000 patients!...
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Whoever wishes to pursue the science of medicine in a direct manner must first investigate the seasons of the year and what occurs in them." --Hippocrates1 Since ancient times, people have been aware of seasonal changes in mood and behavior.1-3 Poets have described the sense of sadness, loss, and lethargy that can accompany the shortening days of fall and winter.1 Many cultures and religions ha...
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Whoever wishes to pursue the science of medicine in a direct manner must first investigate the seasons of the year and what occurs in them." --Hippocrates1 Since ancient times, people have been aware of seasonal changes in mood and behavior.1-3 Poets have described the sense of sadness, loss, and lethargy that can accompany the shortening days of fall and winter.1 Many cultures and religions ha...
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ژورنال
عنوان ژورنال: QJM
سال: 2000
ISSN: 1460-2393
DOI: 10.1093/qjmed/93.6.385-a