(CNN) — Diet soda drinkers have the same health issues as those who drink regular soda, according to a new report published Wednesday.
Purdue University researchers reviewed a dozen studies published in past five years that examined the relationship between consuming diet soda and health outcomes for the report, published as an opinion piece in the journal Trends in Endocrinology & Metabolism. They say they were “shocked” by the results.
“Honestly, I thought that diet soda would be marginally better compared to regular soda in terms of health,” said Susan Swithers, the report’s author and a behavioral neuroscientist and professor of psychological sciences. “But in reality it has a counterintuitive effect.”
Artificial sweeteners in diet soda fulfill a person’s craving for a sweet taste, without the calories. But that’s the problem, according to researchers. Think of it like crying wolf.
Fake sugar teases your body by pretending to give it real food. But when your body doesn’t get the things it expects to get, it becomes confused on how to respond.
“You’ve messed up the whole system, so when you consume real sugar, your body doesn’t know if it should try to process it because it’s been tricked by the fake sugar so many times,” says Swithers.
On a physiological level, this means when diet soda drinkers consume real sugar, the body doesn’t release the hormone that regulates blood sugar and blood pressure.