Breast cancer is the most common cancer in women and the leading cause of cancer death among women 35-54 years of age. Rising incidence, increased risk among migrants to higher risk regions, and poor prediction of individual risk have prompted a search for additional modifiable factors. Risk factors for breast cancer include reproductive characteristics associated with estrogen and other hormon...

OBJECTIVE To demonstrate the adverse impact of ignoring statistical interactions in regression models used in epidemiologic studies. STUDY DESIGN AND SETTING Based on different scenarios that involved known values for coefficient of the interaction term in Cox regression models we generated 1000 samples of size 600 each. The simulated samples and a real life data set from the Cameron County H...

This Viewpoint examines the epidemiologic, public health, and legal considerations for mandatory SARS-CoV-2 vaccinations in primary secondary schools, colleges/universities, businesses US.

A major focus of recent work on the spatial patterning of health has been the study of how features of residential environments or neighborhoods may affect health. Place effects on health emerge from complex interdependent processes in which individuals interact with each other and their environment and in which both individuals and environments adapt and change over time. Traditional epidemiol...

With the introduction of the Food Safety Initiative in 1997, food safety activities and research funding have increased dramatically. Advances in microbiological methods and epidemiologic research have provided significant progress in our understanding of foodborne diseases and in our implementation of control programs. This article highlights some of those food safety activities and epidemiolo...

Heavy industrialization has resulted in the contamination of soil by metals from anthropogenic sources in Anniston, Alabama. This situation calls for increased public awareness of the soil contamination issue and better knowledge of the main factors contributing to the potential sources contaminating residential soil. The purpose of this spatial epidemiology research is to describe the effects ...

This paper presents information on Japan's contribution to reputable epidemiologic journals as compared to other leading countries. Ten journals in the field of epidemiology with high impact factors were selected. Articles published in these journals during the period between 1991 and 2000 were searched for the authors' affiliation using Medline database. We found that Japan contributed only 1....

objective: substance misuse is a major public health threat in iran. the total number of addicts in iran is estimated to be between 700,000 and 4,000,000. a few limited household studies on the prevalence of substance misuse have been performed in iran. method: the residents of the sixth district of the municipality of tehran who were over the age of 15 were selected as the study population. th...

south africa (sa) is experiencing a rapid epidemiologic transition as a consequence of political, economic and social changes. in this study we described, based on hospital data, the mortality patterns of non communicable diseases (ncd), communicable diseases (cd), the ncd/cd ratios, and the trends of deaths.we conducted a cross-sectional survey of all deaths occurring in several public hospita...