Why might some people feel more energetic on a cleanse, according to registered dietitian Beth Czerwony as discussed in the New York Times article The Sneaky Allure of a Detox?

Question

BlackTom AI · Accepted Answer

Cutting out processed foods often means a sharp reduction in added sugars and excess fats, which can quickly stabilize blood sugar and reduce the sluggish, “crash” feelings people associate with high-sugar or high-fat meals.

1) Relevant knowledge points and concepts
- Added sugars and refined fats cause rapid blood-glucose rises followed by insulin-driven drops, producing energy swings and fatigue.  
- Processed, energy-dense foods can promote inflammation, gastrointestinal discomfort, and poor sleep, all of which lower subjective energy.  
- Many so-called “cleanses” remove processed items and replace them with whole foods and better hydration, producing immediate symptomatic improvement even if no true “detox” occurs.

2) Step-by-step reasoning
- If a person on a cleanse stops consuming soda, candy, fried snacks and other processed items, their intake of added sugars and unhealthy fats declines.  
- Reduced added sugars lead to smaller post-meal glucose spikes and less pronounced crashes, so the person feels more consistently alert.  
- Lower intake of inflammatory fats and additives can reduce gut upset and improve sleep/comfort, further contributing to perceived energy gains.  
- The combination of stable blood sugar, less GI distress, and improved sleep explains why someone reports feeling more energetic during a cleanse.

3) Calculations
- Not applicable for this conceptual question.

4) Why the correct answer is correct
- Beth Czerwony highlighted that the immediate energy boost many report from cleanses often stems from eliminating added sugars and fats—nutritional changes that produce physiologic improvements quickly.

5) Why other options are incorrect
- Higher oxalate levels: linked to kidney-stone risk, not increased energy.  
- More refined carbohydrates: these typically cause energy crashes, not sustained energy.  
- Eliminating fruits and vegetables: would remove key nutrients and likely reduce energy, not increase it.

Conclusion: The best answer is “They consume fewer added sugars and fats,” matching the provided correct answer.

Why might some people feel more energetic on a cleanse, according to registered dietitian Beth Czerwony as discussed in the New York Times article The Sneaky Allure of a Detox?Single choice

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