medium · GMAT Verbal
A study found that individuals who consume breakfast daily have lower rates of heart disease than those who skip breakfast. From this, researchers concluded that eating breakfast protects against heart disease.
Which of the following, if true, most weakens the argument that eating breakfast protects against heart disease?
- The study deliberately included participants drawn from many different age groups and varied backgrounds.
- The study carefully tracked each of its enrolled participants over a full ten-year period.
- No conceivable amount of dietary change can ever have any effect on a given person’s risk of heart disease.
- Several of the most popular and widely eaten breakfast foods are notably high in added sugar.
- People who eat breakfast daily are also more likely to exercise regularly and to abstain from smoking.
Sign up free to see the explanation and track your rank →
More GMAT Verbal practice
- What logical role do the first two statements play?
- Which of the following is the conclusion?
- A gardener says: 'All roses in this garden require daily wat… — What is the role of the st
- What is the conclusion?
- What is the conclusion?
- Which statement is the conclusion?
- What is the conclusion?
- What logical role does the first sentence play in the researcher's argument?