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BACKGROUND AND OBJECTIVES Current information suggests that the expression of allergic diseases is determined by the exposure and nature of the allergen. The objectives of the present study were to determine if the nature of allergenic exposition to animal, plant or fungal allergens influenced the clinical manifestations of atopic dermatitis (AD), allergic(More)
CONTEXT Breast cancer (BC) is the most common cancer in women, with over 1 million new cases diagnosed every year worldwide. Over recent decades, considerable interest has emerged regarding whether vitamins and/or other supplements can lower the risk of BC. However, previous epidemiologic studies that investigated the association between intake of(More)
BACKGROUND Breast cancer (BC) is the most common cancer afflicting Puerto Rican women and accounts for more cancer-related deaths in this population than any other cancer. METHODS Demographic, anthropometric, family history, and lifestyle data, as well as DNA repair capacity (DRC), were compared in 465 BC cases and 661 controls. Crude and multiple(More)
BACKGROUND This study was designed to investigate age, sex, and side of hernia presentation at clinical examination as potential intrinsic risk factors for bilateral inguinal hernia (BIH), and to quantify the characteristics of clinical examination versus laparoscopy as a diagnostic tool for BIH. METHODS A cross-sectional study was utilized to analyze 99(More)
Asthma in Puerto Rico is a serious Public Health Problem. This study extends our cross-sectional self-reported asthma prevalence survey of 3,000 volunteers. The purpose of the present study was to analyze the importance of known prognostic factors of asthma severity among 486 self-reported participants. Patients with more than one visit to the emergency(More)
A cross-sectional study was conducted in Bayamón, Puerto Rico, to identify and quantify indoor allergens, serine proteases, and bacterial endotoxin present in homes of asthmatic children. A total of 126 dust samples from houses were obtained from the entire mattress and bedside floor. Most of the patients had detectable levels of mite, cockroach, cat, and(More)
In Puerto Rico, although a high prevalence of asthma has been reported, the sensitization rates to aeroallergens in these patients is unknown. The purpose of this study using a case control design, was to determine and compare the rates of sensitization to common aeroallergens in an asthmatic population of 576 asthmatics and 144 healthy controls. A skin(More)
BACKGROUND The purpose of this study was to determine the prevalence of high blood pressure (HBP) and associated risk factors in school children 8 to 13 years of age. METHODS Elementary school children (n = 1,066) were examined. Associations between HBP, body mass index (BMI), gender, ethnicity, and acanthosis nigricans (AN) were investigated using a(More)
Background: Currently in the U.S. it is recommended that tuberculosis screening and treatment programs be targeted at high-risk populations. While a strategy of targeted testing and treatment of persons most likely to develop tuberculosis is attractive, it is uncertain how best to accomplish this goal. In this study we seek to identify geographical areas(More)