The Health Professionals Cohort Study began in 2005 in order…

The Health Professionals Cohort Study began in 2005 in order to evaluate a series of hypotheses about men’s health relating nutritional factors to the incidence of serious illnesses such as cancer, heart disease, and other vascular diseases. Every two years, members of the study will receive surveys with questions about diseases and health-related topics like smoking, physical activity, and medications taken. The surveys that ask detailed dietary information will be administered in four-year intervals.  What kind of cohort study is this? 

An article was recently published on the relationship betwee…

An article was recently published on the relationship between caffeine consumption during pregnancy and low birth weight. The article was based on the results of a case-control study. As you know, caffeine is present in a wide variety of beverages, foods, and medications, including coffee, tea, and colas. The following statement has been taken from the introduction and results sections of the article. Select the Hill’s guideline that best describes the statement. Four prior case-control studies and three cohort studies of caffeine intake during pregnancy have shown an increased risk of low birth weight infants among women who consumed high amounts of caffeine.