Blocking the dopamine shift associated with tasting something sweeter can prevent a decrease in food preference.

“if we continue to eat foods that are progressively sweeter and sweeter and highly palatable, it shifts our dopamine system, because it activates our dopamine system to make us believe that those foods are the only foods that can trigger this reward system, and make us feel good, and that they taste good.”

“after consuming foods that perhaps are less sweet or even less savory, that are not what we would call highly, or I would say, nowadays, it's super palatable foods, we can adjust our sense literally of what we perceive as an attractive and rewarding food, and indeed, the dopamine system will reward those foods accordingly.”

“But after consuming foods that perhaps are less sweet or even less savory, that are not what we would call highly or I would say nowadays it's super palatable foods, we can adjust our sense literally of what we perceive as an attractive and rewarding food. And indeed, the dopamine system will reward those foods accordingly.”

“But it's also true that if we continue to eat foods that are progressively sweeter and sweeter and highly palatable, it shifts our dopamine system because it activates our dopamine system to make us believe that those foods are the only foods that can trigger this reward system and make us feel good and taste and that they taste good.”