In a study designed to examine the association of breakfast intake and body mass index (BMI), the National Heart, Lung, and Blood Institute Growth and Health Study recruited 2,379 adolescent girls. Frequency of breakfast consumption, dietary calcium and fiber, and BMI were recorded over a period of nine years. The study found that girls who ate breakfast more often tended to have a lower BMI [Source: J Am Diet Assoc. (2005) 105(6):938–45].
Which of the following conclusions can you make on the basis of this study?

From the study in the question, we see that a national institute is trying to examine the association of breakfast intake and body mass index (BMI).

Now, in the research we saw that the frequency is being counted about the type of foods being eaten by those surveyed to find out the impact on BMI.

From the study, we see that girls who ate breakfast more often tended to have a lower BMI. Thus, we can say that the conclusion is that The frequency of eating breakfast is associated with lower BMI in adolescent girls.

The missing options are;

A. The frequency of eating breakfast is associated with lower BMI in adolescent girls.

B. There is no relationship between eating breakfast and BMI in adolescent girls.

C. Eating breakfast makes adolescent girls thinner.

D. Skipping breakfast can contribute to obesity in adolescent girls.

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