The burden associated with headache is a major public health problem, the true magnitude
of which has not been fully acknowledged until now. Globally, the percentage of the adult …

One of the main advantages of epidemiological research using samples from the general
population is the ability to produce findings of greater generalizability than studies of clinical …

Recently published data suggest that clinical benign prostatic hyperplasia (BPH), which is
hallmarked by the occurrence of moderate-to-severe lower urinary tract symptoms (LUTS), …

Background Psoriasis is a common disease affecting all age groups. In contrast to adult
psoriasis, only few studies on the epidemiology of childhood psoriasis have been published. …

… comorbidity studies. We recently conducted 2 studies of the epidemiology and comorbidity
… Tourette's disorder and for analyzing comorbidity patterns in population and clinic cases. …

Method Data from 1970 onward were obtained through a computerized literature search, a
review of Index Medicus, and the bibliographies of retrieved articles. Eight random-sample …

This article reviews the epidemiology of comorbid coronary artery disease and unipolar
depression. Both major depression and subsyndromal depressive symptoms will be considered; …

… epidemiology of erysipelas are done in hospitals, resulting in patient selection. The aim of
this study is to determine epidemiological characteristics and comorbidity … Excess comorbidity …

… of the epidemiology of gout and associated comorbidities. … epidemiologic studies based on
national surveys and databases, followed by the more roust population-based epidemiologic …

Eating disorders are the third most common chronic illness among adolescents, after obesity
and asthma 1; the peak age of onset occurs between 14 and 19 years. In this article, 5 …