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Diet Drinks Trick Brain, Leading to Weight Gain
Diet Drinks Trick Brain, Leading to Weight Gain

Diet Drinks Trick Brain, Leading to Weight Gain

Diet Drinks Trick Brain, Leading to Weight Gain

Diet drinks and meals could cause people to put on weight and trigger diabetes even when they are low-calorie.
Modern diet products confuse the human body because there is nothing natural like them, scientists say.
Where a low-calorie drink is still as sweet as the normal version, the mismatch appears to send metabolisms haywire.
Researchers at Yale University say in nature sweetness signals the presence of energy, so that the sweeter something tastes, the more calories it contains.
When a drink is too sweet for the calories it contains, the brain becomes confused, Expressdigest.com reported.
It does not register that calories have been consumed, which could lead someone to end up eating more.
Co-author Professor Dana Small, from Yale University School of Medicine, said a calorie is not a calorie in this situation, adding the assumption that more calories trigger greater metabolic and brain response is wrong.
“Calories are only half of the equation - sweet taste perception is the other half.”
A sweet-tasting, lower-calorie drink can trigger a greater metabolic response than drinks with higher calories, explaining the association between artificial sweeteners and diabetes discovered in previous studies.
The results were discovered by giving 15 people drinks with varying calorie contents, then measuring their brain response in an MRI scanner.

  Risk of Diabetes
Responding to the study, published in the journal Current Biology, Tam Fry, of the National Obesity Forum, said: “This research should be enough to convince you that artificial ingredients, whether they be in food or drink, can screw up your system even though they may sound healthy.
“They may be free of calories but not of consequences - and diabetes is only one of them.”
Many processed foods contain similar mismatches, including yoghurts with low-calorie sweeteners. The findings follow previous research showing expectant mothers who drink diet drinks are more likely to have overweight children, who are believed to develop a sweet tooth after being exposed to the artificial sweeteners in the womb.
Professor Small said, “Our bodies evolved to efficiently use the energy sources available in nature. Our modern food environment is characterized by energy sources our bodies have never seen before.”
The study states: “Sweetness reflects the quantity of sugar present across many foods. Flavor, on the other hand, which occurs when taste and smell are integrated, is unique to particular energy sources (in nature), with preferences learned.” The authors suggest people may learn, as more diet products are produced, how their flavor predicts their nutritional content.

 

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