#Dopamine & Reward (5)
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GLP-1 and Appetite: How Weight-Loss Drugs Rewire the Brain
GLP-1 drugs suppress appetite through brain pathways that control reward and satiety—effects extending beyond blood sugar to food cravings, gastric emptying, and even addictive behaviors.
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Hedonic Hunger Shows Small but Consistent Link to Body Weight
Did you know? Adults who report stronger cravings for pleasurable foods tend to have slightly higher body weights, though the connection is weaker than you might expect — a 2024 analysis of over 14,000 people found the correlation was small but consistent.
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ADHD May Involve a Hidden Clock Problem, Not Just Dopamine
Quick fact: Children with ADHD may struggle not only with dopamine imbalance but also disrupted internal body clocks—a combination that could explain why they often face sleep troubles, mood swings, and metabolic issues alongside attention difficulties.
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How Anhedonia May Shape Eating Patterns Across Conditions
Surprising finding: People who struggle to feel pleasure (anhedonia) often show distinct eating patterns, from obesity to eating disorders, suggesting our brain's reward system directly influences what and how we eat.
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GLP-1 and Appetite: How Weight-Loss Drugs Rewire Cravings for Food, Alcohol, and Drugs
Surprising finding: Medications designed for weight loss, including semaglutide and liraglutide, are being linked to reduced cravings for alcohol and drugs, suggesting they may affect reward-seeking behavior more broadly than just food intake.