Many folks doing the doing their Whole30 are learning firsthand how easy it is to overconsume carbohydrates and how addictive this macronutrient can be.
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Refined Carbs May Trigger Food Addiction
EXCERPT: Consumption of a meal that has a high glycemic index (GI) appears to stimulate key brain regions related to craving and reward, a finding that supports the controversial hypothesis of food addiction, new research suggests.
Investigators from Boston Children’s Hospital in Massachusetts found that compared with consumption of a low-GI meal, a meal high in refined carbohydrates decreased plasma glucose, increased hunger, and selectively stimulated brain regions 4 hours after eating — a critical time point that influences eating behavior at the next meal.
“We think we have shown for the first time that refined carbohydrates’ biological effects can provoke, independent of calories and tastiness, symptoms related to addiction in susceptible people — those who are overweight or obese,” said the study’s principal investigator, David Ludwig, MD, from Boston Children’s Hospital.