hard · GRE Verbal

A pharmaceutical company released a new medication, Drug Z, designed to drastically lower blood pressure with fewer side effects than traditional treatments. However, clinical data showed that patients who took Drug Z had a 20% higher risk of non-fatal heart attacks compared to those on older medications.

Which of the following, if true, most helps to resolve the paradox?

  1. The patients prescribed Drug Z in the study were individuals whose blood pressure was previously resistant to all other drugs.
  2. Older blood pressure medications are frequently sold as inexpensive generics, making them far more affordable for the general population.
  3. Drug Z was found to interact negatively with certain common over-the-counter herbal supplements taken for digestive health.
  4. The manufacturing process for Drug Z is considerably more complex and requires more stringent quality control than older drugs.
  5. Most physicians prefer to monitor their patients more closely when they begin taking a brand-new medication regimen.

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