Should I Cut Sugar to Lose Weight?
Should You Cut Sugar to Lose Weight? 4 Experts Answer (Don't Worry, It's Not All Bad News!)
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Susan Peirce Thompson, a psychology professor with a PhD in brain and cognitive sciences, studied why certain people's brains block them from losing weight. She found that, as we know, sugar elevates insulin levels, which blocks the hormone leptin. It also overloads your dopamine receptors, which leads to insatiable cravings. She explained that this is why you eat cookie after cookie and still want more. Eating sugar makes you crave it, which is another contributor to overeating and weight gain.
Eating sugar "can cause rapid blood sugar level swings that can cause symptoms such as fatigue, irritability, increased appetite, and food cravings," Stahl added, all of which can make you reach for more sugary foods.