medium · LSAT Logical Reasoning
Nutritionist: High sugar consumption is strongly associated with an increased risk of heart disease. Furthermore, people who consume less sugar generally report higher energy levels throughout the day. Therefore, anyone who wishes to improve their long-term health should significantly reduce their intake of processed sugars.
Which one of the following, if true, would most strengthen the nutritionist's argument?
- A controlled clinical trial found that lowering sugar intake directly improved adults' cardiovascular health markers.
- Higher daytime energy levels tend to accompany those people who also exercise far more often than the average person.
- Many people, even highly motivated ones, find a diet low in processed sugars hard to begin and sustain long-term.
- Certain naturally occurring sugars in whole fruit show no measurable association with any elevated heart-disease risk.
- Reducing processed-sugar intake is, by a wide margin, the single most powerful action anyone anywhere can take for health.
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