In a surprising discovery, experts have found that sugar-free and diet-friendly foods may actually increase hunger and the likelihood of obesity.
Research suggests that a common sugar substitute, often found in low-calorie soft drinks, may trick the brain into eating more.
According to Nature Metabolism, scientists from the University of Southern California found that consuming a popular calorie-free sweetener stimulates the brain’s “hunger regions”, disrupting its ability to predict additional calorie intake.
This mismatch, researchers say, could trigger cravings and lead to overeating. The effect was found to be stronger in people with obesity, based on an experiment involving 75 participants.
Dr. Kathleen Allana Page, a hormone and diabetes expert and lead author of the study, explained:
“The sweetener creates a mismatch in the brain. If your body expects calories due to the sweet taste but doesn’t receive them, it may gradually alter how your brain responds to those cues.”
The study highlights a potential link between zero-calorie sweeteners and increased appetite and weight gain.
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