She explained: “You are supposed to get sugar after something tastes sweet. Your body has been conditioned to that.”
The research suggests that drinking a diet drink may create a disconnect because the body never receives any sugar, which may damage the body’s anticipatory responses and impact its ability to metabolise sugar.
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What this could mean is that “when you get the sweet taste without the sugar, that changes how you respond to sugar the next time, because you don’t know whether it’s coming or not,” Swithers says.
In an interesting study, Swithers’ own research has shown that when an animal that normally consumes artificial sweetener is given real sugar, their blood sugar levels rise exponentially, far higher than animals who do not consume artificial sweeteners.
Source: Daily Express | Diet