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 people who also exercise more frequently.
- Many people find a diet low in processed sugars quite difficult to sustain over time.
- Certain naturally occurring sugars in fruit show no association with elevated heart-disease risk.
- Reducing processed sugar intake is by far the single most powerful action anyone can take for their health.
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