how does food affect health what's the difference between food components and the effects of a food intake? are diet components correlated what is the correlation between foods and their effects? what are the effects of food components which of the following is a weighted sum of each food item? how many food components are in an epidemiological data set how to find a food component how to measure the long-term effects of food intake how many food components should i weigh in a cohort are food components correlated what is the relationship between food and illness how to separate food and food components are food components correlated how to tell the difference between food components a npia study or nutritional epidemiology which component is more significantly associated with dietary outcome how is food a measure of health how do the effects of eating different foods relate is it possible to assess the effect of eating how many components are associated with dietary behavior