Ask Onix
Journalist tests cutting out added sugar for six weeks
A health reporter documented her experience eliminating refined sugar from her diet, uncovering unexpected physical and psychological effects. The experiment aimed to assess the feasibility of reducing sugar intake and its impact on well-being.
Ubiquitous sugar in modern diets
Added sugars permeate contemporary food supplies, often in unsuspected products. During her trial, the reporter discovered sugar in deli sandwiches (5.7g), ready meals (9g), and even supermarket bread (1.2g per slice). Breakfast cereals and ultra-processed foods frequently contain high levels of added sugars, contributing to adverse health outcomes.
Global dietary guidelines recommend limiting added sugar intake-12 teaspoons (50g) in the U.S. and 7 teaspoons (30g) in the U.K. However, average consumption in the U.S. exceeds 16-17 teaspoons (65-70g) daily, according to federal health data.
Health risks linked to excessive sugar
Research links high-sugar diets to multiple health concerns, including type 2 diabetes, obesity, cavities, inflammation, and cognitive decline. Studies suggest sugar may increase liver fat and impair mitochondrial function, leading to fatigue and brain fog.
"Diet-related diseases like diabetes now surpass alcohol and opioids in mortality, rivaling tobacco as the deadliest substance globally," said Ashley Gearhardt, a psychology professor at the University of Michigan.
Ashley Gearhardt, University of Michigan
Emerging evidence also associates sugary diets with heightened mental distress, including anxiety and depression symptoms.
Biological and psychological hurdles
Eliminating sugar proved challenging due to its addictive properties. Sugar triggers dopamine release, reinforcing cravings and mimicking opioid-like effects on brain chemistry. Participants in one study showed increased brain responsiveness to sugary foods after eight weeks of daily high-sugar, high-fat desserts.
Initial withdrawal symptoms included intense cravings, particularly in social settings. The reporter noted persistent urges to seek sweet snacks, even when satiated.
Adaptation and benefits
After three weeks, cravings diminished as taste buds recalibrated to natural sweetness. The reporter shifted to healthier alternatives like fruit, nuts, and olives, experiencing steadier energy levels and reduced post-lunch fatigue.
"Your threshold for sweetness lowers, so you don't need as much sugar to feel satisfied," said Dalia Perelman, a dietician at Stanford School of Medicine.
Dalia Perelman, Stanford School of Medicine
Metabolic improvements included reduced triglyceride levels and enhanced insulin sensitivity. A small study involving children who eliminated added sugars for 10 days reported lower blood pressure, body fat, and insulin resistance.
Long-term outlook and adjustments
By the experiment's end, the reporter no longer craved daily sugary treats. Reintroducing sugar-via a triple chocolate chip cookie (28g of sugar)-resulted in an overwhelmingly sweet taste and subsequent energy crash. She plans to maintain a weekday sugar-free regimen while permitting occasional weekend treats.
"It's like resetting to default. Your body adapts to expect less sugar," said Lina Begdache, a registered dietitian at Binghamton University.
Lina Begdache, Binghamton University
Key takeaways
Reducing sugar intake can yield measurable health benefits, though environmental and social factors complicate long-term adherence. Experts emphasize moderation, noting that natural sugars in whole foods pose fewer risks than refined sugars in processed products.