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?

Question

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This is a prospective cohort study because it follows participants over time, collecting data at regular intervals to assess the relationship between nutritional factors and health outcomes.

The Health Professionals Cohort Study Began in 2005 in Order